Remove use of deprecated MessageLoop methods in sync.

sync/internal_api/attachments/attachment_uploader_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/internal_api/public/attachments/attachment_uploader_impl.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/lock.h"
 #include "base/test/histogram_tester.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "google_apis/gaia/fake_oauth2_token_service.h"
 #include "google_apis/gaia/gaia_constants.h"
 #include "google_apis/gaia/oauth2_token_service_request.h"
@@ skipping 97 matching lines @@
   response_expiration_ = expiration;
 }
 
 void MockOAuth2TokenService::FetchOAuth2Token(
     RequestImpl* request,
     const std::string& account_id,
     net::URLRequestContextGetter* getter,
     const std::string& client_id,
     const std::string& client_secret,
     const ScopeSet& scopes) {
-  base::MessageLoop::current()->PostTask(
-      FROM_HERE,
-      base::Bind(&OAuth2TokenService::RequestImpl::InformConsumer,
-                 request->AsWeakPtr(),
-                 response_error_,
-                 response_access_token_,
-                 response_expiration_));
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
+      FROM_HERE, base::Bind(&OAuth2TokenService::RequestImpl::InformConsumer,
+                            request->AsWeakPtr(), response_error_,
+                            response_access_token_, response_expiration_));
 }
 
 void MockOAuth2TokenService::InvalidateAccessTokenImpl(
     const std::string& account_id,
     const std::string& client_id,
     const ScopeSet& scopes,
     const std::string& access_token) {
   ++num_invalidate_token_;
   last_token_invalidated_ = access_token;
 }
@@ skipping 523 matching lines @@
   scoped_refptr<base::RefCountedString> hello_world(new base::RefCountedString);
   hello_world->data() = "hello world";
   EXPECT_EQ("yZRlqg==", AttachmentUploaderImpl::FormatCrc32cHash(
                             ComputeCrc32c(hello_world)));
 }
 
 // TODO(maniscalco): Add test case for when we are uploading an attachment that
 // already exists.  409 Conflict? (bug 379825)
 
 }  // namespace syncer