Remove all remaining traces of MessageLoopProxy.

extensions/browser/api/api_resource_manager.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_API_RESOURCE_MANAGER_H_
 #define EXTENSIONS_BROWSER_API_API_RESOURCE_MANAGER_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 27 matching lines @@
 struct NamedThreadTraits {
   static bool IsCalledOnValidThread() {
     return content::BrowserThread::CurrentlyOn(T::kThreadId);
   }
 
   static bool IsMessageLoopValid() {
     return content::BrowserThread::IsMessageLoopValid(T::kThreadId);
   }
 
   static scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner() {
-    return content::BrowserThread::GetMessageLoopProxyForThread(T::kThreadId);
+    return content::BrowserThread::GetTaskRunnerForThread(T::kThreadId);
   }
 };
 
 // An ApiResourceManager manages the lifetime of a set of resources that
 // that live on named threads (i.e. BrowserThread::IO) which ApiFunctions use.
 // Examples of such resources are sockets or USB connections.
 //
 // Users of this class should define kThreadId to be the thread that
 // ApiResourceManager to works on. The default is defined in ApiResource.
 // The user must also define a static const char* service_name() that returns
@@ skipping 370 matching lines @@
         ->GetSequencedTaskRunnerWithShutdownBehavior(
             content::BrowserThread::GetBlockingPool()->GetNamedSequenceToken(
                 T::kSequenceToken),
             T::kShutdownBehavior);
   }
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_API_RESOURCE_MANAGER_H_