Move <webview> API to chrome layer

chrome/chrome_renderer.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': 'renderer',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 168 matching lines @@
         'renderer/resources/extensions/send_request.js',
         'renderer/resources/extensions/set_icon.js',
         'renderer/resources/extensions/system_indicator_custom_bindings.js',
         'renderer/resources/extensions/tts_custom_bindings.js',
         'renderer/resources/extensions/tts_engine_custom_bindings.js',
         'renderer/resources/extensions/types_custom_bindings.js',
         'renderer/resources/extensions/utils.js',
         'renderer/resources/extensions/web_request_custom_bindings.js',
         'renderer/resources/extensions/web_view.js',
         'renderer/resources/extensions/web_view_experimental.js',
+        'renderer/browser_plugin/chrome_browser_plugin_observer.cc',
+        'renderer/browser_plugin/chrome_browser_plugin_observer.h',
+        'renderer/browser_plugin/chrome_webview_bindings.cc',
+        'renderer/browser_plugin/chrome_webview_bindings.h',
+        'renderer/browser_plugin/chrome_webview_constants.cc',
+        'renderer/browser_plugin/chrome_webview_constants.h',
         'renderer/chrome_content_renderer_client.cc',
         'renderer/chrome_content_renderer_client.h',
         'renderer/chrome_render_process_observer.cc',
         'renderer/chrome_render_process_observer.h',
         'renderer/chrome_render_view_observer.cc',
         'renderer/chrome_render_view_observer.h',
         'renderer/content_settings_observer.cc',
         'renderer/content_settings_observer.h',
         'renderer/custom_menu_commands.h',
         'renderer/external_host_bindings.cc',
@@ skipping 169 matching lines @@
               'export_dependent_settings': [
                 '<(allocator_target)',
               ],
             }],
           ],
         }],
       ],
     },
   ],
 }