[Sync] Move //components/sync to the syncer namespace, take 2.

ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.h

Index: ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.h
diff --git a/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.h b/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.h
index 917e063f054440856df298ab6b6de2d9715b6a80..b689468713e110cbe139454893a0ebca981d06e3 100644
--- a/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.h
+++ b/ios/chrome/browser/ui/webui/sync_internals/sync_internals_message_handler.h
@@ -17,15 +17,15 @@
 #include "components/sync/js/js_event_handler.h"
 #include "ios/web/public/webui/web_ui_ios_message_handler.h"
 
-namespace sync_driver {
+namespace syncer {
 class SyncService;
-}
+}  // namespace syncer
 
 // The implementation for the chrome://sync-internals page.
 class SyncInternalsMessageHandler : public web::WebUIIOSMessageHandler,
                                     public syncer::JsEventHandler,
-                                    public sync_driver::SyncServiceObserver,
-                                    public browser_sync::ProtocolEventObserver,
+                                    public syncer::SyncServiceObserver,
+                                    public syncer::ProtocolEventObserver,
                                     public syncer::TypeDebugInfoObserver {
  public:
   SyncInternalsMessageHandler();
@@ -56,7 +56,7 @@ class SyncInternalsMessageHandler : public web::WebUIIOSMessageHandler,
   void OnReceivedAllNodes(int request_id,
                           std::unique_ptr<base::ListValue> nodes);
 
-  // sync_driver::SyncServiceObserver implementation.
+  // syncer::SyncServiceObserver implementation.
   void OnStateChanged() override;
 
   // ProtocolEventObserver implementation.
@@ -84,7 +84,7 @@ class SyncInternalsMessageHandler : public web::WebUIIOSMessageHandler,
   // onAboutInfoUpdated event.
   void SendAboutInfo();
 
-  sync_driver::SyncService* GetSyncService();
+  syncer::SyncService* GetSyncService();
 
   base::WeakPtr<syncer::JsController> js_controller_;