Componentize EncryptedMediaMessageFilter and rename it CdmMessageFilter.

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, },
       'dependencies': [
         'common',
         'common_net',
         'chrome_resources.gyp:chrome_resources',
         'chrome_resources.gyp:chrome_strings',
         '../third_party/re2/re2.gyp:re2',
         '../components/components.gyp:autofill_content_renderer',
+        '../components/components.gyp:encrypted_media_renderer',
         '../components/components.gyp:startup_metric_utils',
         '../components/components.gyp:plugins_renderer',
         '../components/components.gyp:translate_core_common',
         '../components/components.gyp:translate_language_detection',
         '../components/components.gyp:visitedlink_renderer',
         '../content/content.gyp:content_renderer',
         '../extensions/extensions.gyp:extensions_renderer',
         '../media/cast/cast.gyp:cast_sender',
         '../media/cast/cast.gyp:cast_transport',
         '../net/net.gyp:net',
@@ skipping 392 matching lines @@
         }],
         ['enable_printing!=0', {
           'dependencies': [
             '../printing/printing.gyp:printing',
           ],
         }],
       ],
     },
   ],
 }