diff --git a/DEPS b/DEPS
index b7141617237d1..0ee56230675d4 100644
--- a/DEPS
+++ b/DEPS
@@ -57,7 +57,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/main/DEPS
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '12f6559bd6ed47b58bf7c21e74b0ffa5cf3b68ae',
+  'dart_revision': 'f3e1cd38e8b04d4a2e8e506d3a2f6024109f150f',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
diff --git a/ci/licenses_golden/excluded_files b/ci/licenses_golden/excluded_files
index b01773f6d8818..b17a4bab2fce2 100644
--- a/ci/licenses_golden/excluded_files
+++ b/ci/licenses_golden/excluded_files
@@ -1607,14 +1607,6 @@
 ../../../third_party/dart/runtime/observatory/tests
 ../../../third_party/dart/runtime/observatory/update_sources.py
 ../../../third_party/dart/runtime/observatory/web/third_party/README.md
-../../../third_party/dart/runtime/observatory_2/.gitignore
-../../../third_party/dart/runtime/observatory_2/HACKING.md
-../../../third_party/dart/runtime/observatory_2/analysis_options.yaml
-../../../third_party/dart/runtime/observatory_2/lib/src/elements/css/shared.css
-../../../third_party/dart/runtime/observatory_2/pubspec.yaml
-../../../third_party/dart/runtime/observatory_2/tests
-../../../third_party/dart/runtime/observatory_2/update_sources.py
-../../../third_party/dart/runtime/observatory_2/web/third_party/README.md
 ../../../third_party/dart/runtime/tests
 ../../../third_party/dart/runtime/third_party/binary_size
 ../../../third_party/dart/runtime/third_party/d3
diff --git a/ci/licenses_golden/licenses_dart b/ci/licenses_golden/licenses_dart
index 50994747c46f4..2199371251743 100644
--- a/ci/licenses_golden/licenses_dart
+++ b/ci/licenses_golden/licenses_dart
@@ -1,4 +1,4 @@
-Signature: 3a48199c0fcc7a83da6640604b0df3fc
+Signature: c5e67b40dcaf24286915bafa8cd358c5
 
 ====================================================================================================
 LIBRARY: dart
@@ -1354,58 +1354,6 @@ ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/elements/type_argu
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/elements/unknown_ref.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/elements/vm_view.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/tracer.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/app/application.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/app/location_manager.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/class_instances.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/class_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/class_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/code_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/code_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/context_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/context_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/cpu_profile.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/cpu_profile/virtual_tree.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/cpu_profile_table.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/curly_block.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/error_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/eval_box.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/field_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/field_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/flag_list.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/function_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/function_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/heap_snapshot.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/helpers/any_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/icdata_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/icdata_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/instance_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/instance_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/isolate_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/isolate_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/json_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/library_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/library_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/local_var_descriptors_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/megamorphiccache_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/native_memory_profiler.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/object_common.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/object_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/objectpool_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/objectstore_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/observatory_application.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/pc_descriptors_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/sample_buffer_control.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/script_inset.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/script_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/script_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/sentinel_value.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/sentinel_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/source_inset.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/stack_trace_tree_config.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/type_arguments_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/unknown_ref.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/vm_view.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/tracer.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/atomic.h + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/signal_blocker.h + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/vm/allocation.h + ../../../third_party/dart/LICENSE
@@ -1694,58 +1642,6 @@ FILE: ../../../third_party/dart/runtime/observatory/lib/src/elements/type_argume
 FILE: ../../../third_party/dart/runtime/observatory/lib/src/elements/unknown_ref.dart
 FILE: ../../../third_party/dart/runtime/observatory/lib/src/elements/vm_view.dart
 FILE: ../../../third_party/dart/runtime/observatory/lib/tracer.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/app/application.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/app/location_manager.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/class_instances.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/class_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/class_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/code_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/code_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/context_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/context_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/cpu_profile.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/cpu_profile/virtual_tree.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/cpu_profile_table.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/curly_block.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/error_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/eval_box.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/field_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/field_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/flag_list.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/function_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/function_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/heap_snapshot.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/helpers/any_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/icdata_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/icdata_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/instance_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/instance_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/isolate_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/isolate_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/json_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/library_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/library_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/local_var_descriptors_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/megamorphiccache_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/native_memory_profiler.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/object_common.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/object_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/objectpool_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/objectstore_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/observatory_application.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/pc_descriptors_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/sample_buffer_control.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/script_inset.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/script_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/script_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/sentinel_value.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/sentinel_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/source_inset.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/stack_trace_tree_config.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/type_arguments_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/unknown_ref.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/vm_view.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/tracer.dart
 FILE: ../../../third_party/dart/runtime/platform/atomic.h
 FILE: ../../../third_party/dart/runtime/platform/signal_blocker.h
 FILE: ../../../third_party/dart/runtime/vm/allocation.h
@@ -1973,10 +1869,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ====================================================================================================
 LIBRARY: dart
 ORIGIN: ../../../third_party/dart/runtime/observatory/web/third_party/webcomponents.min.js + http://polymer.github.io/LICENSE.txt referenced by ../../../third_party/dart/runtime/observatory/web/third_party/webcomponents.min.js
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/web/third_party/webcomponents.min.js + http://polymer.github.io/LICENSE.txt referenced by ../../../third_party/dart/runtime/observatory_2/web/third_party/webcomponents.min.js
 TYPE: LicenseType.bsd
 FILE: ../../../third_party/dart/runtime/observatory/web/third_party/webcomponents.min.js
-FILE: ../../../third_party/dart/runtime/observatory_2/web/third_party/webcomponents.min.js
 ----------------------------------------------------------------------------------------------------
 Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
 
@@ -2030,26 +1924,6 @@ ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/elements/vm_connec
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/service/object.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/utils.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/web/main.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/bin/shell.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/app.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/object_graph.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/service.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/service_common.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/service_html.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/service_io.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/app/page.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/app/settings.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/app/view_model.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/allocation_profile.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/class_tree.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/debugger.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/heap_map.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/isolate_reconnect.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/metrics.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/vm_connect.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/service/object.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/utils.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/web/main.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/address_sanitizer.h + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/memory_sanitizer.h + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/safe_stack.h + ../../../third_party/dart/LICENSE
@@ -2142,26 +2016,6 @@ FILE: ../../../third_party/dart/runtime/observatory/lib/src/elements/vm_connect.
 FILE: ../../../third_party/dart/runtime/observatory/lib/src/service/object.dart
 FILE: ../../../third_party/dart/runtime/observatory/lib/utils.dart
 FILE: ../../../third_party/dart/runtime/observatory/web/main.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/bin/shell.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/app.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/object_graph.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/service.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/service_common.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/service_html.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/service_io.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/app/page.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/app/settings.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/app/view_model.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/allocation_profile.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/class_tree.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/debugger.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/heap_map.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/isolate_reconnect.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/metrics.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/vm_connect.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/service/object.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/utils.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/web/main.dart
 FILE: ../../../third_party/dart/runtime/platform/address_sanitizer.h
 FILE: ../../../third_party/dart/runtime/platform/memory_sanitizer.h
 FILE: ../../../third_party/dart/runtime/platform/safe_stack.h
@@ -2289,24 +2143,6 @@ ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/elements/ports.dar
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/elements/timeline_page.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/sample_profile/sample_profile.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/web/timeline.js + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/allocation_profile.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/cli.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/debugger.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/sample_profile.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/allocation_profile/allocation_profile.dart + ../../../third_party/dart/LICENSE
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 FILE: ../../../third_party/dart/runtime/vm/compiler/assembler/assembler_riscv.cc
@@ -3736,11 +3216,6 @@ ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/models/objects/iso
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/models/repositories/isolate_group.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/repositories/isolate_group.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/repositories/timeline_base.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/tree_map.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/models/objects/isolate_group.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/models/repositories/isolate_group.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/repositories/isolate_group.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/repositories/timeline_base.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/elf.h + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/thread_sanitizer.h + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/tools/dartfuzz/dartfuzz_api_table.dart + ../../../third_party/dart/LICENSE
@@ -3829,11 +3304,6 @@ FILE: ../../../third_party/dart/runtime/observatory/lib/src/models/objects/isola
 FILE: ../../../third_party/dart/runtime/observatory/lib/src/models/repositories/isolate_group.dart
 FILE: ../../../third_party/dart/runtime/observatory/lib/src/repositories/isolate_group.dart
 FILE: ../../../third_party/dart/runtime/observatory/lib/src/repositories/timeline_base.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/tree_map.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/models/objects/isolate_group.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/models/repositories/isolate_group.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/repositories/isolate_group.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/repositories/timeline_base.dart
 FILE: ../../../third_party/dart/runtime/platform/elf.h
 FILE: ../../../third_party/dart/runtime/platform/thread_sanitizer.h
 FILE: ../../../third_party/dart/runtime/tools/dartfuzz/dartfuzz_api_table.dart
@@ -3988,8 +3458,6 @@ ORIGIN: ../../../third_party/dart/runtime/include/dart_version.h + ../../../thir
 ORIGIN: ../../../third_party/dart/runtime/include/internal/dart_api_dl_impl.h + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/bin/heap_snapshot.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/observatory/lib/src/elements/process_snapshot.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/bin/heap_snapshot.dart + ../../../third_party/dart/LICENSE
-ORIGIN: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/process_snapshot.dart + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/allocation.cc + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/leak_sanitizer.h + ../../../third_party/dart/LICENSE
 ORIGIN: ../../../third_party/dart/runtime/platform/priority_queue.h + ../../../third_party/dart/LICENSE
@@ -4060,8 +3528,6 @@ FILE: ../../../third_party/dart/runtime/include/dart_version.h
 FILE: ../../../third_party/dart/runtime/include/internal/dart_api_dl_impl.h
 FILE: ../../../third_party/dart/runtime/observatory/bin/heap_snapshot.dart
 FILE: ../../../third_party/dart/runtime/observatory/lib/src/elements/process_snapshot.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/bin/heap_snapshot.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/process_snapshot.dart
 FILE: ../../../third_party/dart/runtime/platform/allocation.cc
 FILE: ../../../third_party/dart/runtime/platform/leak_sanitizer.h
 FILE: ../../../third_party/dart/runtime/platform/priority_queue.h
@@ -4793,14 +4259,6 @@ FILE: ../../../third_party/dart/runtime/observatory/web/favicon.ico
 FILE: ../../../third_party/dart/runtime/observatory/web/index.html
 FILE: ../../../third_party/dart/runtime/observatory/web/third_party/trace_viewer_full.html
 FILE: ../../../third_party/dart/runtime/observatory/web/timeline.html
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/elements.dart
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/img/chromium_icon.png
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/img/dart_icon.png
-FILE: ../../../third_party/dart/runtime/observatory_2/lib/src/elements/img/isolate_icon.png
-FILE: ../../../third_party/dart/runtime/observatory_2/web/favicon.ico
-FILE: ../../../third_party/dart/runtime/observatory_2/web/index.html
-FILE: ../../../third_party/dart/runtime/observatory_2/web/third_party/trace_viewer_full.html
-FILE: ../../../third_party/dart/runtime/observatory_2/web/timeline.html
 FILE: ../../../third_party/dart/runtime/tools/wiki/styles/style.scss
 FILE: ../../../third_party/dart/runtime/tools/wiki/templates/includes/auto-refresh.html
 FILE: ../../../third_party/dart/runtime/tools/wiki/templates/page.html