[Chromecast] Pass security origin to CastCdm and remove destination url

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 "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "chromecast/media/cdm/cast_cdm.h"
@@ skipping 35 matching lines @@
 
   DCHECK(!cdm_config.use_hw_secure_codecs)
       << "Chromecast does not use |use_hw_secure_codecs|";
 
   CastKeySystem cast_key_system(GetKeySystemByName(key_system));
 
   scoped_refptr<chromecast::media::CastCdm> cast_cdm;
   if (cast_key_system == chromecast::media::KEY_SYSTEM_CLEAR_KEY) {
     // TODO(gunsch): handle ClearKey decryption. See crbug.com/441957
   } else {
-    cast_cdm = CreatePlatformBrowserCdm(cast_key_system);
+    cast_cdm = CreatePlatformBrowserCdm(cast_key_system, security_origin);
   }
 
   if (!cast_cdm) {
     LOG(INFO) << "No matching key system found: " << cast_key_system;
     bound_cdm_created_cb.Run(nullptr, "No matching key system found.");
     return;
   }
 
   task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&CastCdm::Initialize, base::Unretained(cast_cdm.get()),
                  ::media::BindToCurrentLoop(session_message_cb),
                  ::media::BindToCurrentLoop(session_closed_cb),
                  ::media::BindToCurrentLoop(legacy_session_error_cb),
                  ::media::BindToCurrentLoop(session_keys_change_cb),
                  ::media::BindToCurrentLoop(session_expiration_update_cb)));
 
 // When using Mojo media, we do not need to proxy calls to the CMA thread. All
 // calls are made on that thread already.
 #if defined(ENABLE_MOJO_MEDIA_IN_BROWSER_PROCESS)
   bound_cdm_created_cb.Run(cast_cdm, "");
 #else
   bound_cdm_created_cb.Run(new CastCdmProxy(cast_cdm, task_runner_), "");
 #endif  // defined(ENABLE_MOJO_MEDIA_IN_BROWSER_PROCESS)
 }
 
 scoped_refptr<CastCdm> CastBrowserCdmFactory::CreatePlatformBrowserCdm(
-    const CastKeySystem& cast_key_system) {
+    const CastKeySystem& cast_key_system,
+    const GURL& security_origin) {
   return nullptr;
 }
 
 }  // namespace media
 }  // namespace chromecast