Add CDM video decoder.

webkit/media/webkit_media.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.
 
 {
+  'variables': {
+    'conditions': [
+      ['OS == "android" or OS == "ios"', {
+        # Android and iOS don't use ffmpeg.
+        'use_ffmpeg%': 0,
+      }, {  # 'OS != "android" and OS != "ios"'
+        'use_ffmpeg%': 1,
+      }],
+    ],
+  },
   'targets': [
     {
       'target_name': 'webkit_media',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
       'include_dirs': [
         '<(SHARED_INTERMEDIATE_DIR)',  # Needed by key_systems.cc.
       ],
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
@@ skipping 79 matching lines @@
         }, { # OS != "android"'
           'sources/': [
             ['exclude', '^android/'],
           ],
         }],
       ],
     },
     {
       'target_name': 'clearkeycdm',
       'type': 'shared_library',
+      'conditions': [
+        ['use_ffmpeg == 1' , {
+          'defines': ['CLEAR_KEY_CDM_USE_FFMPEG_DECODER'],
+          'dependencies': [
+            '<(DEPTH)/third_party/ffmpeg/ffmpeg.gyp:ffmpeg',
+          ],
+          'sources': [
+            'crypto/ppapi/ffmpeg_cdm_video_decoder.cc',
+            'crypto/ppapi/ffmpeg_cdm_video_decoder.h',
+          ],
+        }],
+      ],
       'defines': ['CDM_IMPLEMENTATION'],
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
-        '<(DEPTH)/media/media.gyp:media'
+        '<(DEPTH)/media/media.gyp:media',
       ],
       'sources': [
         'crypto/ppapi/clear_key_cdm.cc',
         'crypto/ppapi/clear_key_cdm.h',
       ],
     },
     {
       'target_name': 'clearkeycdmplugin',
       'type': 'none',
       'dependencies': [
@@ skipping 27 matching lines @@
               # Not to strip important symbols by -Wl,-dead_strip.
               '-Wl,-exported_symbol,_PPP_GetInterface',
               '-Wl,-exported_symbol,_PPP_InitializeModule',
               '-Wl,-exported_symbol,_PPP_ShutdownModule'
             ]},
         }],
       ],
     }
   ],
 }