Remove calls to deprecated MessageLoop methods in media.

media/cdm/cdm_adapter_unittest.cc

 // Copyright 2015 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 "media/cdm/cdm_adapter.h"
 
 #include <stdint.h>
 #include <memory>
 
 #include "base/bind.h"
@@ skipping 186 matching lines @@
     }
 
     std::unique_ptr<NewSessionCdmPromise> promise(
         new CdmCallbackPromise<std::string>(
             base::Bind(&CdmAdapterTest::OnResolveWithSession,
                        base::Unretained(this)),
             base::Bind(&CdmAdapterTest::OnReject, base::Unretained(this))));
     return promise;
   }
 
-  void RunUntilIdle() { message_loop_.RunUntilIdle(); }
+  void RunUntilIdle() { base::RunLoop().RunUntilIdle(); }
 
   std::unique_ptr<CdmFileIO> CreateCdmFileIO(cdm::FileIOClient* client) {
     ADD_FAILURE() << "Should never be called";
     return nullptr;
   }
 
   // Methods used for promise resolved/rejected.
   MOCK_METHOD0(OnResolve, void());
   MOCK_METHOD1(OnResolveWithSession, void(const std::string& session_id));
   MOCK_METHOD3(OnReject,
@@ skipping 105 matching lines @@
 TEST_F(CdmAdapterTest, UpdateSessionWithBadData) {
   InitializeAndExpect(ExternalClearKeyLibrary(), SUCCESS);
 
   std::vector<uint8_t> key_id(kKeyId, kKeyId + arraysize(kKeyId));
   CreateSessionAndExpect(EmeInitDataType::WEBM, key_id, SUCCESS);
 
   UpdateSessionAndExpect(SessionId(), "random data", FAILURE, true);
 }
 
 }  // namespace media