Move webview and web_accessible_resources manifest handlers to src/extensions

extensions/extensions.gyp

 # Copyright 2013 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 74 matching lines @@
         'common/manifest_handlers/kiosk_mode_info.cc',
         'common/manifest_handlers/kiosk_mode_info.h',
         'common/manifest_handlers/offline_enabled_info.cc',
         'common/manifest_handlers/offline_enabled_info.h',
         'common/manifest_handlers/requirements_info.h',
         'common/manifest_handlers/requirements_info.cc',
         'common/manifest_handlers/sandboxed_page_info.cc',
         'common/manifest_handlers/sandboxed_page_info.h',
         'common/manifest_handlers/shared_module_info.cc',
         'common/manifest_handlers/shared_module_info.h',
+        'common/manifest_handlers/web_accessible_resources_info.cc',
+        'common/manifest_handlers/web_accessible_resources_info.h',
+        'common/manifest_handlers/webview_info.cc',
+        'common/manifest_handlers/webview_info.h',
         'common/one_shot_event.cc',
         'common/one_shot_event.h',
         'common/permissions/api_permission.cc',
         'common/permissions/api_permission.h',
         'common/permissions/api_permission_set.cc',
         'common/permissions/api_permission_set.h',
         'common/permissions/base_set_operators.h',
         'common/permissions/manifest_permission.cc',
         'common/permissions/manifest_permission.h',
         'common/permissions/manifest_permission_set.cc',
@@ skipping 123 matching lines @@
         'common/test_util.cc',
         'common/test_util.h',
         'common/value_builder.cc',
         'common/value_builder.h',
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ]
 }