Remove all remaining traces of MessageLoopProxy.

content/browser/media/cdm/browser_cdm_manager.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 "content/browser/media/cdm/browser_cdm_manager.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 168 matching lines @@
     : BrowserMessageFilter(CdmMsgStart),
       render_process_id_(render_process_id),
       task_runner_(task_runner),
       weak_ptr_factory_(this) {
   DVLOG(1) << __FUNCTION__ << ": " << render_process_id_;
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   new BrowserCdmManagerProcessWatcher(render_process_id, this);
 
   if (!task_runner_.get()) {
-    task_runner_ =
-        BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI);
+    task_runner_ = BrowserThread::GetTaskRunnerForThread(BrowserThread::UI);
   }
 }
 
 BrowserCdmManager::~BrowserCdmManager() {
   DVLOG(1) << __FUNCTION__ << ": " << render_process_id_;
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
 // Makes sure BrowserCdmManager is always deleted on the Browser UI thread.
 void BrowserCdmManager::OnDestruct() const {
@@ skipping 529 matching lines @@
   scoped_refptr<MediaKeys> cdm = GetCdm(render_frame_id, cdm_id);
   if (!cdm) {
     promise->reject(MediaKeys::INVALID_STATE_ERROR, 0, "CDM not found.");
     return;
   }
 
   cdm->LoadSession(session_type, session_id, std::move(promise));
 }
 
 }  // namespace content