[Sync] Remove unneeded 'using syncer::' lines and 'syncer::' scopings

sync/internal_api/sync_manager_impl.h

Index: sync/internal_api/sync_manager_impl.h
diff --git a/sync/internal_api/sync_manager_impl.h b/sync/internal_api/sync_manager_impl.h
index 783822d4c95ee833f9ab0dc7044758de5ea2166d..1de63cef8775d71b486d9f922e89474f73fea681 100644
--- a/sync/internal_api/sync_manager_impl.h
+++ b/sync/internal_api/sync_manager_impl.h
@@ -33,41 +33,41 @@ class SyncManagerImpl : public SyncManager {
   // SyncManager implementation.
   virtual bool Init(
       const FilePath& database_location,
-      const syncer::WeakHandle<syncer::JsEventHandler>& event_handler,
+      const WeakHandle<JsEventHandler>& event_handler,
       const std::string& sync_server_and_path,
       int sync_server_port,
       bool use_ssl,
       const scoped_refptr<base::TaskRunner>& blocking_task_runner,
       scoped_ptr<HttpPostProviderFactory> post_factory,
-      const syncer::ModelSafeRoutingInfo& model_safe_routing_info,
-      const std::vector<syncer::ModelSafeWorker*>& workers,
-      syncer::ExtensionsActivityMonitor* extensions_activity_monitor,
+      const ModelSafeRoutingInfo& model_safe_routing_info,
+      const std::vector<ModelSafeWorker*>& workers,
+      ExtensionsActivityMonitor* extensions_activity_monitor,
       SyncManager::ChangeDelegate* change_delegate,
       const SyncCredentials& credentials,
-      scoped_ptr<syncer::SyncNotifier> sync_notifier,
+      scoped_ptr<SyncNotifier> sync_notifier,
       const std::string& restored_key_for_bootstrapping,
       TestingMode testing_mode,
-      syncer::Encryptor* encryptor,
-      syncer::UnrecoverableErrorHandler* unrecoverable_error_handler,
-      syncer::ReportUnrecoverableErrorFunction
+      Encryptor* encryptor,
+      UnrecoverableErrorHandler* unrecoverable_error_handler,
+      ReportUnrecoverableErrorFunction
           report_unrecoverable_error_function) OVERRIDE;
   virtual void ThrowUnrecoverableError() OVERRIDE;
-  virtual syncer::ModelTypeSet InitialSyncEndedTypes() OVERRIDE;
-  virtual syncer::ModelTypeSet GetTypesWithEmptyProgressMarkerToken(
-      syncer::ModelTypeSet types) OVERRIDE;
+  virtual ModelTypeSet InitialSyncEndedTypes() OVERRIDE;
+  virtual ModelTypeSet GetTypesWithEmptyProgressMarkerToken(
+      ModelTypeSet types) OVERRIDE;
   virtual bool PurgePartiallySyncedTypes() OVERRIDE;
   virtual void UpdateCredentials(const SyncCredentials& credentials) OVERRIDE;
   virtual void UpdateEnabledTypes(
-      const syncer::ModelTypeSet& enabled_types) OVERRIDE;
+      const ModelTypeSet& enabled_types) OVERRIDE;
   virtual void StartSyncingNormally(
-      const syncer::ModelSafeRoutingInfo& routing_info) OVERRIDE;
+      const ModelSafeRoutingInfo& routing_info) OVERRIDE;
   virtual void SetEncryptionPassphrase(const std::string& passphrase,
                                        bool is_explicit) OVERRIDE;
   virtual void SetDecryptionPassphrase(const std::string& passphrase) OVERRIDE;
   virtual void ConfigureSyncer(
       ConfigureReason reason,
-      const syncer::ModelTypeSet& types_to_config,
-      const syncer::ModelSafeRoutingInfo& new_routing_info,
+      const ModelTypeSet& types_to_config,
+      const ModelSafeRoutingInfo& new_routing_info,
       const base::Closure& ready_task,
       const base::Closure& retry_task) OVERRIDE;
   virtual void AddObserver(Observer* observer) OVERRIDE;
@@ -81,8 +81,7 @@ class SyncManagerImpl : public SyncManager {
   virtual void RefreshNigori(const std::string& chrome_version,
                              const base::Closure& done_callback) OVERRIDE;
   virtual void EnableEncryptEverything() OVERRIDE;
-  virtual bool ReceivedExperiment(
-      syncer::Experiments* experiments) const OVERRIDE;
+  virtual bool ReceivedExperiment(Experiments* experiments) const OVERRIDE;
   virtual bool HasUnsyncedItems() const OVERRIDE;
 
   // Functions used for testing.
@@ -93,11 +92,11 @@ class SyncManagerImpl : public SyncManager {
 
   // Gets the set of encrypted types from the cryptographer
   // Note: opens a transaction.  May be called from any thread.
-  syncer::ModelTypeSet GetEncryptedDataTypesForTest() const;
+  ModelTypeSet GetEncryptedDataTypesForTest() const;
 
   void SimulateEnableNotificationsForTest();
   void SimulateDisableNotificationsForTest(int reason);
-  void TriggerOnIncomingNotificationForTest(syncer::ModelTypeSet model_types);
+  void TriggerOnIncomingNotificationForTest(ModelTypeSet model_types);
 
   static int GetDefaultNudgeDelay();
   static int GetPreferencesNudgeDelay();
@@ -108,12 +107,11 @@ class SyncManagerImpl : public SyncManager {
   FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, OnNotificationStateChange);
   FRIEND_TEST_ALL_PREFIXES(SyncManagerTest, OnIncomingNotification);
 
-  base::TimeDelta GetNudgeDelayTimeDelta(const syncer::ModelType& model_type);
+  base::TimeDelta GetNudgeDelayTimeDelta(const ModelType& model_type);
 
   // Set the internal scheduler for testing purposes.
   // TODO(sync): Use dependency injection instead. crbug.com/133061
-  void SetSyncSchedulerForTest(
-      scoped_ptr<syncer::SyncScheduler> scheduler);
+  void SetSyncSchedulerForTest(scoped_ptr<SyncScheduler> scheduler);
 
   base::ThreadChecker thread_checker_;