Introduce RenderView::Observer interface so that RenderView doesn't have to k...

chrome/chrome_renderer.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': 'renderer',
       'type': '<(library)',
       'msvs_guid': '9301A569-5D2B-4D11-9332-B1E30AEACB8D',
@@ skipping 146 matching lines @@
         'renderer/print_web_view_helper_mac.mm',
         'renderer/print_web_view_helper_win.cc',
         'renderer/render_process.h',
         'renderer/render_process_impl.cc',
         'renderer/render_process_impl.h',
         'renderer/render_thread.cc',
         'renderer/render_thread.h',
         'renderer/render_view.cc',
         'renderer/render_view_linux.cc',
         'renderer/render_view.h',
+        'renderer/render_view_observer.cc',
+        'renderer/render_view_observer.h',
         'renderer/render_widget.cc',
         'renderer/render_widget.h',
         'renderer/render_widget_fullscreen.cc',
         'renderer/render_widget_fullscreen.h',
         'renderer/render_widget_fullscreen_pepper.cc',
         'renderer/render_widget_fullscreen_pepper.h',
         'renderer/renderer_glue.cc',
         'renderer/renderer_histogram_snapshots.cc',
         'renderer/renderer_histogram_snapshots.h',
         'renderer/renderer_main.cc',
@@ skipping 188 matching lines @@
       ],
     },
   ],
 }
 
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 # tab-width:2
 # indent-tabs-mode:nil
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