[Performance] Migrate to GoogleUtilities's storage container

FirebasePerformance.podspec

@@ -64,9 +64,10 @@ Firebase Performance library to measure performance of Mobile and Web Apps.
   s.dependency 'FirebaseRemoteConfig', '~> 10.0'
   s.dependency 'FirebaseSessions', '~> 10.5'
   s.dependency 'GoogleDataTransport', '~> 9.2'
-  s.dependency 'GoogleUtilities/Environment', '~> 7.8'
-  s.dependency 'GoogleUtilities/ISASwizzler', '~> 7.8'
-  s.dependency 'GoogleUtilities/MethodSwizzler', '~> 7.8'
+  s.dependency 'GoogleUtilities/Environment', '~> 7.13'
+  s.dependency 'GoogleUtilities/ISASwizzler', '~> 7.13'
+  s.dependency 'GoogleUtilities/MethodSwizzler', '~> 7.13'
+  s.dependency 'GoogleUtilities/UserDefaults', '~> 7.13'
   s.dependency 'nanopb', '>= 2.30908.0', '< 2.30911.0'
 
   s.test_spec 'unit' do |unit_tests|

FirebasePerformance/Sources/Configurations/FPRConfigurations+Private.h

@@ -17,6 +17,8 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+@class GULUserDefaults;
+
 /** List of gauges the gauge manager controls. */
 typedef NS_OPTIONS(NSUInteger, FPRConfigurationSource) {
   FPRConfigurationSourceNone = 0,
@@ -36,7 +38,7 @@ typedef NS_OPTIONS(NSUInteger, FPRConfigurationSource) {
 @property(nonatomic) Class FIRAppClass;
 
 /** @brief User defaults used for user preference config fetches . */
-@property(nonatomic) NSUserDefaults *userDefaults;
+@property(nonatomic) GULUserDefaults *userDefaults;
 
 /** @brief The main bundle identifier used by config system. */
 @property(nonatomic) NSString *mainBundleIdentifier;

FirebasePerformance/Sources/Configurations/FPRConfigurations.m

@@ -14,6 +14,8 @@
 
 #import <UIKit/UIKit.h>
 
+#import <GoogleUtilities/GULUserDefaults.h>
+
 #import "FirebasePerformance/Sources/Common/FPRConstants.h"
 #import "FirebasePerformance/Sources/Configurations/FPRConfigurations+Private.h"
 #import "FirebasePerformance/Sources/Configurations/FPRConfigurations.h"
@@ -58,9 +60,9 @@ + (instancetype)sharedInstance {
 + (void)reset {
   // TODO(b/120032990): Reset the singletons that this singleton uses.
   gSharedInstanceToken = 0;
-  [[NSUserDefaults standardUserDefaults]
+  [[GULUserDefaults standardUserDefaults]
       removeObjectForKey:kFPRConfigInstrumentationUserPreference];
-  [[NSUserDefaults standardUserDefaults] removeObjectForKey:kFPRConfigCollectionUserPreference];
+  [[GULUserDefaults standardUserDefaults] removeObjectForKey:kFPRConfigCollectionUserPreference];
 }
 
 - (instancetype)initWithSources:(FPRConfigurationSource)source {
@@ -73,7 +75,7 @@ - (instancetype)initWithSources:(FPRConfigurationSource)source {
     [self registerForNotifications];
 
     self.FIRAppClass = [FIRApp class];
-    self.userDefaults = [NSUserDefaults standardUserDefaults];
+    self.userDefaults = [GULUserDefaults standardUserDefaults];
     self.infoDictionary = [NSBundle mainBundle].infoDictionary;
     self.mainBundleIdentifier = [NSBundle mainBundle].bundleIdentifier;
     self.updateQueue = dispatch_queue_create("com.google.perf.configUpdate", DISPATCH_QUEUE_SERIAL);
@@ -141,7 +143,7 @@ - (void)setDataCollectionEnabled:(BOOL)dataCollectionEnabled {
 
 // The data collection flag is determined by this order:
 //   1. A plist flag for permanently disabling data collection
-//   2. The runtime flag (NSUserDefaults)
+//   2. The runtime flag (GULUserDefaults)
 //   3. A plist flag for enabling/disabling (overrideable)
 //   4. The global data collection switch from Core.
 - (BOOL)isDataCollectionEnabled {
@@ -165,7 +167,7 @@ - (BOOL)isDataCollectionEnabled {
     }
   }
   /**
-   * Check if the performance collection preference key is available in NSUserDefaults.
+   * Check if the performance collection preference key is available in GULUserDefaults.
    * If it exists - Just honor that and return that value.
    * If it does not exist - Check if firebase_performance_collection_enabled exists in Info.plist.
    * If it exists - honor that and return that value.
@@ -196,7 +198,7 @@ - (BOOL)isInstrumentationEnabled {
       [self.userDefaults objectForKey:kFPRConfigInstrumentationUserPreference];
 
   /**
-   * Check if the performance instrumentation preference key is available in NSUserDefaults.
+   * Check if the performance instrumentation preference key is available in GULUserDefaults.
    * If it exists - Just honor that and return that value.
    * If not - Check if firebase_performance_instrumentation_enabled exists in Info.plist.
    * If it exists - honor that and return that value.
@@ -242,7 +244,7 @@ - (BOOL)diagnosticsEnabled {
   BOOL enabled = NO;
 
   /**
-   * Check if the diagnostics preference key is available in NSUserDefaults.
+   * Check if the diagnostics preference key is available in GULUserDefaults.
    * If it exists - Just honor that and return that value.
    * If not - Check if firebase_performance_instrumentation_enabled exists in Info.plist.
    * If it exists - honor that and return that value.
@@ -282,8 +284,8 @@ - (int)logSource {
    * Order of preference of returning the log source.
    * If it is an autopush build (based on environment variable), always return
    * LogRequest_LogSource_FireperfAutopush (461). If there is a recent value of remote config fetch,
-   * honor that value. If logSource cached value (NSUserDefaults value) exists, honor that. Fallback
-   * to the default value LogRequest_LogSource_Fireperf (462).
+   * honor that value. If logSource cached value (GULUserDefaults value) exists, honor that.
+   * Fallback to the default value LogRequest_LogSource_Fireperf (462).
    */
   int logSource = 462;
 

FirebasePerformance/Sources/Configurations/FPRRemoteConfigFlags+Private.h

@@ -18,6 +18,8 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+@class GULUserDefaults;
+
 static NSString *const kFPRConfigPrefix = @"com.fireperf";
 
 /** Interval at which the configurations can be fetched. Specified in seconds. */
@@ -36,7 +38,7 @@ static NSInteger const kFPRMinAppStartConfigFetchDelayInSeconds = 5;
 @property(atomic, nullable) NSDate *lastFetchedTime;
 
 /** @brief User defaults used for caching. */
-@property(nonatomic) NSUserDefaults *userDefaults;
+@property(nonatomic) GULUserDefaults *userDefaults;
 
 /** @brief Last activated time of the configurations. */
 @property(nonatomic) NSDate *applicationStartTime;

FirebasePerformance/Sources/Configurations/FPRRemoteConfigFlags.m

@@ -12,10 +12,12 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#import "FirebasePerformance/Sources/Configurations/FPRRemoteConfigFlags.h"
+#import <GoogleUtilities/GULUserDefaults.h>
+
 #import "FirebasePerformance/Sources/Configurations/FPRConfigurations+Private.h"
 #import "FirebasePerformance/Sources/Configurations/FPRConfigurations.h"
 #import "FirebasePerformance/Sources/Configurations/FPRRemoteConfigFlags+Private.h"
+#import "FirebasePerformance/Sources/Configurations/FPRRemoteConfigFlags.h"
 
 #import "FirebasePerformance/Sources/FPRConsoleLogger.h"