[chrome/browser/chromeos/drive] Avoid use of MessageLoopProxy by use of TTRH

chrome/browser/chromeos/drive/change_list_loader.cc

 // 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.
 
 #include "chrome/browser/chromeos/drive/change_list_loader.h"
 
 #include <set>
 
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/synchronization/cancellation_flag.h"
+#include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/drive/change_list_loader_observer.h"
 #include "chrome/browser/chromeos/drive/change_list_processor.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/browser/chromeos/drive/job_scheduler.h"
 #include "chrome/browser/chromeos/drive/resource_metadata.h"
 #include "chrome/browser/drive/event_logger.h"
 #include "content/public/browser/browser_thread.h"
 #include "google_apis/drive/drive_api_parser.h"
 #include "url/gurl.h"
@@ skipping 195 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(!callback.is_null());
 
   // If the latest UpdateAboutResource task is still running. Wait for it,
   if (pending_callbacks_.count(current_update_task_id_)) {
     pending_callbacks_[current_update_task_id_].push_back(callback);
     return;
   }
 
   if (cached_about_resource_) {
-    base::MessageLoopProxy::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(
             callback,
             google_apis::HTTP_NO_CONTENT,
             base::Passed(scoped_ptr<google_apis::AboutResource>(
                 new google_apis::AboutResource(*cached_about_resource_)))));
   } else {
     UpdateAboutResource(callback);
   }
 }
@@ skipping 214 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   if (!loaded_ && error == FILE_ERROR_OK) {
     loaded_ = true;
     FOR_EACH_OBSERVER(ChangeListLoaderObserver,
                       observers_,
                       OnInitialLoadComplete());
   }
 
   for (size_t i = 0; i < pending_load_callback_.size(); ++i) {
-    base::MessageLoopProxy::current()->PostTask(
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
         base::Bind(pending_load_callback_[i], error));
   }
   pending_load_callback_.clear();
 
   // If there is pending update check, try to load the change from the server
   // again, because there may exist an update during the completed loading.
   if (!pending_update_check_callback_.is_null()) {
     Load(base::ResetAndReturn(&pending_update_check_callback_));
   }
@@ skipping 102 matching lines @@
 
   OnChangeListLoadComplete(error);
 
   FOR_EACH_OBSERVER(ChangeListLoaderObserver,
                     observers_,
                     OnLoadFromServerComplete());
 }
 
 }  // namespace internal
 }  // namespace drive