chrome: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

chrome/service/service_process.h

 // Copyright (c) 2012 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 CHROME_SERVICE_SERVICE_PROCESS_H_
 #define CHROME_SERVICE_SERVICE_PROCESS_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 28 matching lines @@
 
   // Initialize the ServiceProcess with the message loop that it should run on.
   // ServiceProcess takes ownership of |state|.
   bool Initialize(base::MessageLoopForUI* message_loop,
                   const base::CommandLine& command_line,
                   ServiceProcessState* state);
 
   bool Teardown();
   // TODO(sanjeevr): Change various parts of the code such as
   // net::ProxyService::CreateSystemProxyConfigService to take in
-  // MessageLoopProxy* instead of MessageLoop*. When we have done that, we can
-  // remove the io_thread() and file_thread() accessors and replace them with
-  // io_message_loop_proxy() and file_message_loop_proxy() respectively.
+  // SingleThreadTaskRunner* instead of MessageLoop*. When we have done that,
+  // we can remove the io_thread() and file_thread() accessors and replace them
+  // with io_message_loop_proxy() and file_message_loop_proxy() respectively.
 
   // Returns the thread that we perform I/O coordination on (network requests,
   // communication with renderers, etc.
   // NOTE: You should ONLY use this to pass to IPC or other objects which must
   // need a MessageLoop*. If you just want to post a task, use the thread's
-  // message_loop_proxy() as it takes care of checking that a thread is still
-  // alive, race conditions, lifetime differences etc.
-  // If you still must use this, need to check the return value for NULL.
+  // task_runner() as it takes care of checking that a thread is still alive,
+  // race conditions, lifetime differences etc. If you still must use this,
+  // need to check the return value for NULL.
   base::Thread* io_thread() const {
     return io_thread_.get();
   }
   // Returns the thread that we perform random file operations on. For code
   // that wants to do I/O operations (not network requests or even file: URL
   // requests), this is the thread to use to avoid blocking the UI thread.
   base::Thread* file_thread() const {
     return file_thread_.get();
   }
 
@@ skipping 68 matching lines @@
   bool update_available_;
 
   scoped_refptr<ServiceURLRequestContextGetter> request_context_getter_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceProcess);
 };
 
 extern ServiceProcess* g_service_process;
 
 #endif  // CHROME_SERVICE_SERVICE_PROCESS_H_