Implement native bindings for cast extensions API

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 367 matching lines @@
             'safe_browsing_proto',
             '../third_party/smhasher/smhasher.gyp:murmurhash3',
           ],
         }, {  # safe_browsing==0 || safe_browsing==2
           'sources/': [
             ['exclude', '^renderer/safe_browsing/'],
           ],
         }],
         ['enable_webrtc==0', {
           'sources!': [
+            'renderer/extensions/webrtc_native_handler.cc',
+            'renderer/extensions/webrtc_native_handler.h',
             'renderer/media/chrome_webrtc_log_message_delegate.cc',
             'renderer/media/chrome_webrtc_log_message_delegate.h',
             'renderer/media/webrtc_logging_message_filter.cc',
             'renderer/media/webrtc_logging_message_filter.h',
           ],
         }],
         ['enable_spellcheck==0', {
           'sources/': [
             ['exclude', '^renderer/spellchecker/']
           ],
@@ skipping 60 matching lines @@
             ['win_use_allocator_shim==1', {
               'dependencies': [
                 '<(allocator_target)',
               ],
               'export_dependent_settings': [
                 '<(allocator_target)',
               ],
             }],
           ],
         }],
+        ['OS != "ios"', {
+          'dependencies': [
+            # TODO(hclam): See crbug.com/298380 for details.
+            # We should isolate the APIs needed by the renderer.
+            '<(DEPTH)/chrome/common/extensions/api/api.gyp:api',
+          ],
+        }],
       ],
     },
   ],
 }