Replace MessageLoopProxy with ThreadTaskRunnerHandle in src/sync/.

sync/internal_api/attachments/attachment_downloader_impl_unittest.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 "sync/api/attachments/attachment_downloader.h"
 
 #include "base/bind.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/thread_task_runner_handle.h"
 #include "google_apis/gaia/fake_oauth2_token_service.h"
 #include "google_apis/gaia/gaia_constants.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_test_util.h"
 #include "sync/api/attachments/attachment.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 
 namespace {
@@ skipping 83 matching lines @@
   virtual scoped_refptr<base::SingleThreadTaskRunner>
       GetTokenServiceTaskRunner() OVERRIDE;
   virtual OAuth2TokenService* GetTokenService() OVERRIDE;
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   OAuth2TokenService* token_service_;
 };
 
 TokenServiceProvider::TokenServiceProvider(OAuth2TokenService* token_service)
-    : task_runner_(base::MessageLoopProxy::current()),
+    : task_runner_(base::ThreadTaskRunnerHandle::Get()),
       token_service_(token_service) {
   DCHECK(token_service_);
 }
 
 TokenServiceProvider::~TokenServiceProvider() {
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 TokenServiceProvider::GetTokenServiceTaskRunner() {
   return task_runner_;
@@ skipping 222 matching lines @@
       GoogleServiceAuthError::AuthErrorNone());
   RunMessageLoop();
   // Fail URLFetcher. This should trigger download failure. Access token
   // shouldn't be invalidated.
   CompleteDownload(net::HTTP_SERVICE_UNAVAILABLE);
   EXPECT_EQ(0, token_service()->num_invalidate_token());
   VerifyDownloadResult(id1, AttachmentDownloader::DOWNLOAD_UNSPECIFIED_ERROR);
 }
 
 }  // namespace syncer