Chromecast: updates BrowserCdmCast to handle new BrowserCdm API.

chromecast/browser/media/cast_browser_cdm_factory.cc

 // 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.
 
 #include "chromecast/browser/media/cast_browser_cdm_factory.h"
 
+#include "chromecast/media/cdm/browser_cdm_cast.h"
+
 namespace chromecast {
 namespace media {
 
 scoped_ptr< ::media::BrowserCdm> CastBrowserCdmFactory::CreateBrowserCdm(
     const std::string& key_system_name,
     const ::media::SessionMessageCB& session_message_cb,
     const ::media::SessionClosedCB& session_closed_cb,
     const ::media::SessionErrorCB& session_error_cb,
     const ::media::SessionKeysChangeCB& session_keys_change_cb,
     const ::media::SessionExpirationUpdateCB& session_expiration_update_cb) {
   CastKeySystem key_system(GetKeySystemByName(key_system_name));
 
-  // TODO(gunsch): handle ClearKey decryption. See crbug.com/441957
+  scoped_ptr<chromecast::media::BrowserCdmCast> browser_cdm;
+  if (key_system == chromecast::media::KEY_SYSTEM_CLEAR_KEY) {
+    // TODO(gunsch): handle ClearKey decryption. See crbug.com/441957
+  } else {
+    browser_cdm = CreatePlatformBrowserCdm(key_system);
+  }
 
-  scoped_ptr< ::media::BrowserCdm> platform_cdm(
-      CreatePlatformBrowserCdm(key_system,
-                               session_message_cb,
-                               session_closed_cb,
-                               session_error_cb,
-                               session_keys_change_cb,
-                               session_expiration_update_cb));
-  if (platform_cdm) {
-    return platform_cdm.Pass();
+  if (browser_cdm) {
+    browser_cdm->SetCallbacks(session_message_cb,
+                              session_closed_cb,
+                              session_error_cb,
+                              session_keys_change_cb,
+                              session_expiration_update_cb);
+    return browser_cdm.Pass();
   }
 
   LOG(INFO) << "No matching key system found.";
   return scoped_ptr< ::media::BrowserCdm>();
 }
 
 }  // namespace media
 }  // namespace chromecast