[Sync] Move BridgedSyncNotifier and ChromeSyncNotificationBridge to glue/

chrome/browser/sync/glue/sync_backend_host.h

Index: chrome/browser/sync/glue/sync_backend_host.h
diff --git a/chrome/browser/sync/glue/sync_backend_host.h b/chrome/browser/sync/glue/sync_backend_host.h
index 0f24252808df5f85173b4fc1ef82344e706ab1a0..66f8a5d0a0abdc2326dd117324cab63109293433 100644
--- a/chrome/browser/sync/glue/sync_backend_host.h
+++ b/chrome/browser/sync/glue/sync_backend_host.h
@@ -17,6 +17,7 @@
 #include "chrome/browser/sync/engine/model_safe_worker.h"
 #include "chrome/browser/sync/glue/backend_data_type_configurer.h"
 #include "chrome/browser/sync/glue/chrome_extensions_activity_monitor.h"
+#include "chrome/browser/sync/glue/chrome_sync_notification_bridge.h"
 #include "chrome/browser/sync/internal_api/includes/report_unrecoverable_error_function.h"
 #include "chrome/browser/sync/internal_api/includes/unrecoverable_error_handler.h"
 #include "chrome/browser/sync/internal_api/configure_reason.h"
@@ -289,6 +290,7 @@ class SyncBackendHost : public BackendDataTypeConfigurer {
         const GURL& service_url,
         MakeHttpBridgeFactoryFn make_http_bridge_factory_fn,
         const sync_api::SyncCredentials& credentials,
+        ChromeSyncNotificationBridge* chrome_sync_notification_bridge,
         sync_notifier::SyncNotifierFactory* sync_notifier_factory,
         bool delete_sync_data_folder,
         const std::string& restored_key_for_bootstrapping,
@@ -305,6 +307,7 @@ class SyncBackendHost : public BackendDataTypeConfigurer {
     // Overridden by tests.
     MakeHttpBridgeFactoryFn make_http_bridge_factory_fn;
     sync_api::SyncCredentials credentials;
+    ChromeSyncNotificationBridge* const chrome_sync_notification_bridge;
     sync_notifier::SyncNotifierFactory* const sync_notifier_factory;
     std::string lsid;
     bool delete_sync_data_folder;
@@ -483,6 +486,10 @@ class SyncBackendHost : public BackendDataTypeConfigurer {
 
   const base::WeakPtr<SyncPrefs> sync_prefs_;
 
+  // A thread-safe listener for handling notifications triggered by
+  // chrome events.
+  ChromeSyncNotificationBridge chrome_sync_notification_bridge_;
+
   sync_notifier::SyncNotifierFactory sync_notifier_factory_;
 
   ChromeExtensionsActivityMonitor extensions_activity_monitor_;