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

chrome/browser/extensions/external_pref_loader.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_LOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_LOADER_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 13 matching lines @@
 }
 
 namespace extensions {
 
 // A specialization of the ExternalLoader that uses a json file to
 // look up which external extensions are registered.
 // Instances of this class are expected to be created and destroyed on the UI
 // thread and they are expecting public method calls from the UI thread.
 class ExternalPrefLoader : public ExternalLoader,
                            public syncable_prefs::PrefServiceSyncableObserver,
-                           public sync_driver::SyncServiceObserver {
+                           public syncer::SyncServiceObserver {
  public:
   enum Options {
     NONE = 0,
 
     // Ensure that only root can force an external install by checking
     // that all components of the path to external extensions files are
     // owned by root and not writable by any non-root user.
     ENSURE_PATH_CONTROLLED_BY_ADMIN = 1 << 0,
 
     // Delay external preference load. It delays default apps installation
@@ skipping 22 matching lines @@
   const int base_path_id_;
 
   const Options options_;
 
  private:
   friend class base::RefCountedThreadSafe<ExternalLoader>;
 
   // syncable_prefs::PrefServiceSyncableObserver:
   void OnIsSyncingChanged() override;
 
-  // sync_driver::SyncServiceObserver
+  // syncer::SyncServiceObserver
   void OnStateChanged() override;
 
   // If priority sync ready posts LoadOnFileThread and return true.
   bool PostLoadIfPrioritySyncReady();
 
   // Post LoadOnFileThread and stop observing for sync service states.
   void PostLoadAndRemoveObservers();
 
   // Actually searches for and loads candidate standalone extension preference
   // files in the path corresponding to |base_path_id|.
@@ skipping 48 matching lines @@
 
   base::FilePath fake_base_path_;
   std::unique_ptr<base::DictionaryValue> testing_prefs_;
 
   DISALLOW_COPY_AND_ASSIGN(ExternalTestingLoader);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_LOADER_H_