MessageLoop's RUN method will pass a const ref to PendingTask when

chrome/browser/google_apis/test_util.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/google_apis/test_util.h"
 
 #include "base/file_util.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/json/json_reader.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
+#include "base/pending_task.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/google_apis/drive_api_parser.h"
 #include "chrome/browser/google_apis/gdata_wapi_parser.h"
 #include "chrome/browser/google_apis/test_server/http_response.h"
 #include "chrome/browser/google_apis/test_server/http_server.h"
 #include "content/public/browser/browser_thread.h"
 #include "googleurl/src/gurl.h"
 
 namespace google_apis {
 namespace test_util {
 
 // This class is used to monitor if any task is posted to a message loop.
 class TaskObserver : public MessageLoop::TaskObserver {
  public:
   TaskObserver() : posted_(false) {}
   virtual ~TaskObserver() {}
 
   // MessageLoop::TaskObserver overrides.
-  virtual void WillProcessTask(base::TimeTicks time_posted) {}
-  virtual void DidProcessTask(base::TimeTicks time_posted) {
+  virtual void WillProcessTask(const base::PendingTask& pending_task) OVERRIDE {
+  }
+  virtual void DidProcessTask(const base::PendingTask& pending_task) OVERRIDE {
     posted_ = true;
   }
 
   // Returns true if any task was posted.
   bool posted() const { return posted_; }
 
  private:
   bool posted_;
   DISALLOW_COPY_AND_ASSIGN(TaskObserver);
 };
@@ skipping 158 matching lines @@
     LOG(ERROR)
         << "The value of json_data is different from the file's content.";
     return false;
   }
 
   return true;
 }
 
 }  // namespace test_util
 }  // namespace google_apis