(2021-03-23, 1115f6c) amp-cid-backup: 1

Previous history on prod-config.json:

- 1115f6c - 2021-03-23T03:46:29+08:00 - Ramp up 3p-vendor-split experiment

build-system/global-configs/canary-config.json

@@ -9,7 +9,6 @@
   "flexAdSlots": 0.05,
   "ios-fixed-no-transfer": 1,
   "ads-initialIntersection": 1,
-  "amp-cid-backup": 1,
   "sticky-ad-transition": 0.1,
   "layout-aspect-ratio-css": 1,
   "3p-vendor-split": 0.1,

build-system/global-configs/prod-config.json

@@ -9,7 +9,6 @@
   "ios-fixed-no-transfer": 0,
   "layout-aspect-ratio-css": 0,
   "sticky-ad-transition": 0.02,
-  "amp-cid-backup": 1,
   "3p-vendor-split": 0.01,
   "story-ad-placements": 0.01
 }

src/service/cid-impl.js

@@ -33,7 +33,6 @@ import {getCookie, setCookie} from '../cookies';
 import {getCryptoRandomBytesArray} from '../utils/bytes';
 import {getServiceForDoc, registerServiceBuilderForDoc} from '../service';
 import {getSourceOrigin, isProxyOrigin, parseUrlDeprecated} from '../url';
-import {isExperimentOn} from '../../src/experiments';
 import {isIframed} from '../dom';
 import {parseJson, tryParseJson} from '../json';
 import {tryResolve} from '../utils/promise';
@@ -181,7 +180,9 @@ class Cid {
     this.apiKeyMap_ = null;
 
     /** @const {boolean} */
-    this.isBackupCidExpOn = isExperimentOn(this.ampdoc.win, 'amp-cid-backup');
+    this.isBackupCidExpOn =
+      /* isExperimentOn(this.ampdoc.win, 'amp-cid-backup') // launched: true */
+      true;
   }
 
   /** @override */

tools/experiments/experiments-config.js

@@ -169,12 +169,6 @@ export const EXPERIMENTS = [
     name: 'Move ads placement into layoutCallback',
     spec: 'https://github.com/ampproject/amphtml/issues/27068',
   },
-  {
-    id: 'amp-cid-backup',
-    name: 'Backup AMP-generated CIDs to Storage.',
-    spec: 'https://github.com/ampproject/amphtml/issues/29484',
-    cleanupIssue: 'https://github.com/ampproject/amphtml/issues/29484',
-  },
   {
     id: 'layout-aspect-ratio-css',
     name: 'Responsive layouts implemented via aspect-ratio CSS',