[chrome/browser/extensions] Replace MessageLoopProxy usage with ThreadTaskRunnerHandle

chrome/browser/extensions/api/messaging/native_message_host_chromeos.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 "extensions/browser/api/messaging/native_message_host.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop_proxy.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/api/messaging/native_messaging_test_util.h"
 #include "components/policy/core/common/policy_service.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/url_pattern.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "remoting/host/chromoting_host_context.h"
 #include "remoting/host/it2me/it2me_native_messaging_host.h"
@@ skipping 30 matching lines @@
     if (request_string.find("stopHostTest") != std::string::npos) {
       client_->CloseChannel(kNativeHostExited);
     } else if (request_string.find("bigMessageTest") != std::string::npos) {
       client_->CloseChannel(kHostInputOuputError);
     } else {
       ProcessEcho(*request);
     }
   };
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner() const override {
-    return base::MessageLoopProxy::current();
+    return base::ThreadTaskRunnerHandle::Get();
   };
 
  private:
   void ProcessEcho(const base::DictionaryValue& request) {
     scoped_ptr<base::DictionaryValue> response(new base::DictionaryValue());
     response->SetInteger("id", ++message_number_);
     response->Set("echo", request.DeepCopy());
     response->SetString("caller_url", kEchoHostOrigins[0]);
     std::string response_string;
     base::JSONWriter::Write(response.get(), &response_string);
@@ skipping 86 matching lines @@
       }
       *error = kForbiddenError;
       return nullptr;
     }
   }
   *error = kNotFoundError;
   return nullptr;
 }
 
 }  // namespace extensions