extensions: Add ExtensionView interface.

chrome/chrome_browser_extensions.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 444 matching lines @@
         'browser/extensions/extension_sync_data.cc',
         'browser/extensions/extension_sync_data.h',
         'browser/extensions/extension_tab_id_map.cc',
         'browser/extensions/extension_tab_id_map.h',
         'browser/extensions/extension_tab_util.cc',
         'browser/extensions/extension_tab_util.h',
         'browser/extensions/extension_toolbar_model.cc',
         'browser/extensions/extension_toolbar_model.h',
         'browser/extensions/extension_uninstall_dialog.cc',
         'browser/extensions/extension_uninstall_dialog.h',
+        'browser/extensions/extension_view.h',
         'browser/extensions/extension_warning_set.cc',
         'browser/extensions/extension_warning_set.h',
         'browser/extensions/extension_web_ui.cc',
         'browser/extensions/extension_web_ui.h',
         'browser/extensions/extension_webkit_preferences.cc',
         'browser/extensions/extension_webkit_preferences.h',
         'browser/extensions/extensions_quota_service.cc',
         'browser/extensions/extensions_quota_service.h',
         'browser/extensions/external_loader.cc',
         'browser/extensions/external_loader.h',
@@ skipping 341 matching lines @@
             'browser/extensions/app_host/binaries_installer.h',
             'browser/extensions/app_host/binaries_installer_internal.cc',
             'browser/extensions/app_host/binaries_installer_internal.h',
           ],
         },
       ],
     }, ],  # 'OS=="win"'
   ],  # 'conditions'
 }