Introduce BookmarkClient interface to abstract embedder

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 289 matching lines @@
         'browser/bookmarks/bookmark_node_data_mac.cc',
         'browser/bookmarks/bookmark_node_data_views.cc',
         'browser/bookmarks/bookmark_pasteboard_helper_mac.h',
         'browser/bookmarks/bookmark_pasteboard_helper_mac.mm',
         'browser/bookmarks/bookmark_stats.cc',
         'browser/bookmarks/bookmark_stats.h',
         'browser/bookmarks/bookmark_storage.cc',
         'browser/bookmarks/bookmark_storage.h',
         'browser/bookmarks/bookmark_utils.cc',
         'browser/bookmarks/bookmark_utils.h',
+        'browser/bookmarks/chrome_bookmark_client.cc',
+        'browser/bookmarks/chrome_bookmark_client.h',
         'browser/bookmarks/enhanced_bookmarks_features.cc',
         'browser/bookmarks/enhanced_bookmarks_features.h',
         'browser/bookmarks/scoped_group_bookmark_actions.cc',
         'browser/bookmarks/scoped_group_bookmark_actions.h',
         'browser/browser_about_handler.cc',
         'browser/browser_about_handler.h',
         'browser/browser_process.cc',
         'browser/browser_process.h',
         'browser/browser_process_impl.cc',
         'browser/browser_process_impl.h',
@@ skipping 3398 matching lines @@
             'package_name': 'org/chromium/chrome/browser',
             'template_deps': ['browser/android/tab_load_status.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }