Move extension messages to their own file and add a RenderViewObserver to start moving the extens...

chrome/chrome_renderer.gypi

 # Copyright (c) 2011 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 41 matching lines @@
         'renderer/automation/dom_automation_controller.cc',
         'renderer/automation/dom_automation_controller.h',
         'renderer/automation/dom_automation_v8_extension.cc',
         'renderer/automation/dom_automation_v8_extension.h',
         'renderer/extensions/bindings_utils.cc',
         'renderer/extensions/bindings_utils.h',
         'renderer/extensions/chrome_app_bindings.cc',
         'renderer/extensions/chrome_app_bindings.h',
         'renderer/extensions/event_bindings.cc',
         'renderer/extensions/event_bindings.h',
+        'renderer/extensions/extension_helper.cc',
+        'renderer/extensions/extension_helper.h',
         'renderer/extensions/extension_process_bindings.cc',
         'renderer/extensions/extension_process_bindings.h',
         'renderer/extensions/extension_resource_request_policy.cc',
         'renderer/extensions/extension_resource_request_policy.h',
         'renderer/extensions/js_only_v8_extensions.cc',
         'renderer/extensions/js_only_v8_extensions.h',
         'renderer/extensions/renderer_extension_bindings.cc',
         'renderer/extensions/renderer_extension_bindings.h',
         'renderer/loadtimes_extension_bindings.h',
         'renderer/loadtimes_extension_bindings.cc',
@@ skipping 188 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: