bookmarks: Move BaseBookmarkModelObserver into 'bookmarks' namespace.

chrome/browser/bookmarks/chrome_bookmark_client.h

 // Copyright 2014 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_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_
 #define CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_
 
 #include <set>
 #include <vector>
 
 #include "base/callback_list.h"
 #include "base/deferred_sequenced_task_runner.h"
 #include "base/macros.h"
 #include "components/bookmarks/browser/base_bookmark_model_observer.h"
 #include "components/bookmarks/browser/bookmark_client.h"
 #include "components/policy/core/browser/managed_bookmarks_tracker.h"
 
 class BookmarkModel;
 class GURL;
 class HistoryService;
 class HistoryServiceFactory;
 class Profile;
 
 class ChromeBookmarkClient : public bookmarks::BookmarkClient,
-                             public BaseBookmarkModelObserver {
+                             public bookmarks::BaseBookmarkModelObserver {
  public:
   explicit ChromeBookmarkClient(Profile* profile);
   ~ChromeBookmarkClient() override;
 
   void Init(BookmarkModel* model);
 
   // KeyedService:
   void Shutdown() override;
 
   // Returns the managed_node.
@@ skipping 21 matching lines @@
   void RecordAction(const base::UserMetricsAction& action) override;
   bookmarks::LoadExtraCallback GetLoadExtraNodesCallback() override;
   bool CanSetPermanentNodeTitle(const BookmarkNode* permanent_node) override;
   bool CanSyncNode(const BookmarkNode* node) override;
   bool CanBeEditedByUser(const BookmarkNode* node) override;
 
  private:
   friend class HistoryServiceFactory;
   void SetHistoryService(HistoryService* history_service);
 
-  // BaseBookmarkModelObserver:
+  // bookmarks::BaseBookmarkModelObserver:
   void BookmarkModelChanged() override;
   void BookmarkNodeRemoved(BookmarkModel* model,
                            const BookmarkNode* parent,
                            int old_index,
                            const BookmarkNode* node,
                            const std::set<GURL>& removed_urls) override;
   void BookmarkAllUserNodesRemoved(BookmarkModel* model,
                                    const std::set<GURL>& removed_urls) override;
   void BookmarkModelLoaded(BookmarkModel* model, bool ids_reassigned) override;
 
@@ skipping 21 matching lines @@
   // the call to Shutdown. Must be valid for the whole interval.
   BookmarkModel* model_;
 
   scoped_ptr<policy::ManagedBookmarksTracker> managed_bookmarks_tracker_;
   BookmarkPermanentNode* managed_node_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeBookmarkClient);
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_