Componentize EncryptedMediaMessageFilter and rename it CdmMessageFilter.

components/cdm.gypi

Index: components/cdm.gypi
diff --git a/components/cdm.gypi b/components/cdm.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..7c2a42d304f65139036f7026115d3aae02fdfddb
--- /dev/null
+++ b/components/cdm.gypi
@@ -0,0 +1,61 @@
+# Copyright 2014 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': 'cdm_common',
+      'type': 'static_library',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../content/content.gyp:content_common',
+        '../ipc/ipc.gyp:ipc',
+      ],
+      'sources': [
+        'cdm/common/encrypted_media_message_generator.cc',
+        'cdm/common/encrypted_media_message_generator.h',
+        'cdm/common/encrypted_media_messages_android.h',
+      ],
+    },
+    {
+      'target_name': 'cdm_browser',
+      'type': 'static_library',
+      'dependencies': [
+        'cdm_common',
+        '../base/base.gyp:base',
+        '../content/content.gyp:content_browser',
+        '../content/content.gyp:content_common',
+      ],
+      'sources': [
+        'cdm/browser/encrypted_media_message_filter_android.cc',
+        'cdm/browser/encrypted_media_message_filter_android.h',
+      ],
+    },
+  ],
+  'conditions': [
+    ['OS != "ios"', {
+      'targets': [
+        {
+          'target_name': 'cdm_renderer',
+          'type': 'static_library',
+          'dependencies': [
+            'cdm_common',
+            '../base/base.gyp:base',
+            '../content/content.gyp:content_common',
+            '../content/content.gyp:content_renderer',
+            '../third_party/widevine/cdm/widevine_cdm.gyp:widevine_cdm_version_h',
+          ],
+          'include_dirs': [
+            # Needed by widevine_key_systems.cc.
+            '<(SHARED_INTERMEDIATE_DIR)',
+          ],
+          'sources': [
+            'cdm/renderer/widevine_key_systems.cc',
+            'cdm/renderer/widevine_key_systems.h',
+          ],
+        },
+      ],
+    }],
+  ],
+}