bookmarks: Move BaseBookmarkModelObserver into 'bookmarks' namespace.

chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.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_API_BOOKMARK_MANAGER_PRIVATE_BOOKMARK_MANAGER_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_BOOKMARK_MANAGER_PRIVATE_BOOKMARK_MANAGER_PRIVATE_API_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/api/bookmarks/bookmarks_api.h"
@@ skipping 12 matching lines @@
 struct BookmarkNodeData;
 }
 
 namespace content {
 class BrowserContext;
 class WebContents;
 }
 
 namespace extensions {
 
-class BookmarkManagerPrivateEventRouter : public BaseBookmarkModelObserver {
+class BookmarkManagerPrivateEventRouter
+    : public bookmarks::BaseBookmarkModelObserver {
  public:
   BookmarkManagerPrivateEventRouter(content::BrowserContext* browser_context,
                                     BookmarkModel* bookmark_model);
   ~BookmarkManagerPrivateEventRouter() override;
 
-  // BaseBookmarkModelObserver:
+  // bookmarks::BaseBookmarkModelObserver:
   void BookmarkModelChanged() override;
   void BookmarkModelBeingDeleted(BookmarkModel* model) override;
   void OnWillChangeBookmarkMetaInfo(BookmarkModel* model,
                                     const BookmarkNode* node) override;
   void BookmarkMetaInfoChanged(BookmarkModel* model,
                                const BookmarkNode* node) override;
 
  private:
   // Helper to actually dispatch an event to extension listeners.
   void DispatchEvent(const std::string& event_name,
@@ skipping 357 matching lines @@
  protected:
   ~BookmarkManagerPrivateSetVersionFunction() override {}
 
   // ExtensionFunction:
   bool RunOnReady() override;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_BOOKMARK_MANAGER_PRIVATE_BOOKMARK_MANAGER_PRIVATE_API_H_