Move bookmark_model_observer.h to the bookmarks component

chrome/browser/ui/webui/ntp/android/bookmarks_handler.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_WEBUI_NTP_ANDROID_BOOKMARKS_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_ANDROID_BOOKMARKS_HANDLER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "base/values.h"
 #include "chrome/browser/android/bookmarks/managed_bookmarks_shim.h"
 #include "chrome/browser/android/bookmarks/partner_bookmarks_shim.h"
-#include "chrome/browser/bookmarks/base_bookmark_model_observer.h"
 #include "chrome/browser/favicon/favicon_service.h"
+#include "components/bookmarks/core/browser/base_bookmark_model_observer.h"
 #include "content/public/browser/web_ui_message_handler.h"
 
 // The handler for Javascript messages related to the bookmarks.
 //
 // In Javascript if getBookmarks() is called without any parameter, the 'Other
 // Bookmark' folder and bookmark bar's bookmarks and folders are returned.
 // If getBookmarks() is called with a valid bookmark folder id, the given
 // folder's bookmarks and sub folders of it are returned.
 //
 // All bookmarks and subfolder is returned by bookmarks() javascript callback
@@ skipping 142 matching lines @@
   bool IsEditable(const BookmarkNode* node) const;
 
   // Returns true if |node| is the real root node (not the root node of the
   // partner bookmarks shim nor the managed bookmark shim root).
   bool IsRoot(const BookmarkNode* node) const;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarksHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_ANDROID_BOOKMARKS_HANDLER_H_