Refactor RenderWidgetHost::set_paint_observer()

chrome/chrome_browser.gypi

 # Copyright (c) 2010 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': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 2154 matching lines @@
         'browser/renderer_host/render_view_host_delegate.h',
         'browser/renderer_host/render_view_host_factory.cc',
         'browser/renderer_host/render_view_host_factory.h',
         'browser/renderer_host/render_view_host_notification_task.h',
         'browser/renderer_host/render_widget_fullscreen_host.cc',
         'browser/renderer_host/render_widget_fullscreen_host.h',
         'browser/renderer_host/render_widget_helper.cc',
         'browser/renderer_host/render_widget_helper.h',
         'browser/renderer_host/render_widget_host.cc',
         'browser/renderer_host/render_widget_host.h',
-        'browser/renderer_host/render_widget_host_painting_observer.h',
         'browser/renderer_host/render_widget_host_view.cc',
         'browser/renderer_host/render_widget_host_view.h',
         'browser/renderer_host/render_widget_host_view_gtk.cc',
         'browser/renderer_host/render_widget_host_view_gtk.h',
         'browser/renderer_host/render_widget_host_view_mac.h',
         'browser/renderer_host/render_widget_host_view_mac.mm',
         'browser/renderer_host/render_widget_host_view_win.cc',
         'browser/renderer_host/render_widget_host_view_win.h',
         'browser/renderer_host/render_widget_host_view_views.cc',
         'browser/renderer_host/render_widget_host_view_views.h',
@@ skipping 2328 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: