bookmarks: Move BaseBookmarkModelObserver into 'bookmarks' namespace.

chrome/browser/ui/bookmarks/bookmark_tab_helper.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_UI_BOOKMARKS_BOOKMARK_TAB_HELPER_H_
 #define CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_TAB_HELPER_H_
 
 #include "components/bookmarks/browser/base_bookmark_model_observer.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 
 class BookmarkTabHelperDelegate;
 
 namespace bookmarks {
 struct BookmarkNodeData;
 }
 
 namespace content {
 class WebContents;
 }
 
 // Per-tab class to manage bookmarks.
 class BookmarkTabHelper
-    : public BaseBookmarkModelObserver,
+    : public bookmarks::BaseBookmarkModelObserver,
       public content::WebContentsObserver,
       public content::WebContentsUserData<BookmarkTabHelper> {
  public:
   // Interface for forwarding bookmark drag and drop to extenstions.
   class BookmarkDrag {
    public:
     virtual void OnDragEnter(const bookmarks::BookmarkNodeData& data) = 0;
     virtual void OnDragOver(const bookmarks::BookmarkNodeData& data) = 0;
     virtual void OnDragLeave(const bookmarks::BookmarkNodeData& data) = 0;
     virtual void OnDrop(const bookmarks::BookmarkNodeData& data) = 0;
@@ skipping 23 matching lines @@
 
  private:
   friend class content::WebContentsUserData<BookmarkTabHelper>;
 
   explicit BookmarkTabHelper(content::WebContents* web_contents);
 
   // Updates the starred state from the BookmarkModel. If the state has changed,
   // the delegate is notified.
   void UpdateStarredStateForCurrentURL();
 
-  // Overridden from BaseBookmarkModelObserver:
+  // Overridden from bookmarks::BaseBookmarkModelObserver:
   void BookmarkModelChanged() override;
   void BookmarkModelLoaded(BookmarkModel* model, bool ids_reassigned) override;
   void BookmarkNodeAdded(BookmarkModel* model,
                          const BookmarkNode* parent,
                          int index) override;
   void BookmarkNodeRemoved(BookmarkModel* model,
                            const BookmarkNode* parent,
                            int old_index,
                            const BookmarkNode* node,
                            const std::set<GURL>& removed_urls) override;
@@ skipping 20 matching lines @@
   BookmarkTabHelperDelegate* delegate_;
 
   // The BookmarkDrag is used to forward bookmark drag and drop events to
   // extensions.
   BookmarkDrag* bookmark_drag_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkTabHelper);
 };
 
 #endif  // CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_TAB_HELPER_H_