Enable audio/video tag in content_shell

content/content_shell.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': 'content_shell_lib',
       'type': 'static_library',
       'defines!': ['CONTENT_IMPLEMENTATION'],
       'variables': {
         'chromium_code': 1,
       },
       'dependencies': [
         'content_app',
         'content_browser',
         'content_common',
         'content_gpu',
         'content_plugin',
         'content_ppapi_plugin',
         'content_renderer',
         'content_shell_resources',
         'content_utility',
         'content_worker',
         'content_resources.gyp:content_resources',
         '../base/base.gyp:base',
         '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '../build/temp_gyp/googleurl.gyp:googleurl',
         '../ipc/ipc.gyp:ipc',
+        '../media/media.gyp:media',
         '../net/net.gyp:net',
         '../skia/skia.gyp:skia',
         '../third_party/WebKit/Source/WebKit/chromium/WebKit.gyp:webkit',
         '../ui/ui.gyp:ui',
         '../v8/tools/gyp/v8.gyp:v8',
         '../webkit/support/webkit_support.gyp:appcache',
         '../webkit/support/webkit_support.gyp:database',
         '../webkit/support/webkit_support.gyp:fileapi',
         '../webkit/support/webkit_support.gyp:glue',
         '../webkit/support/webkit_support.gyp:quota',
@@ skipping 198 matching lines @@
         }],
         ['toolkit_uses_gtk == 1', {
           'dependencies': [
             '<(DEPTH)/build/linux/system.gyp:gtk',
           ],
         }],
       ],
     },
   ],
 }