Remove implicit conversions from scoped_refptr to T* in chrome/browser/sync_file_system/

chrome/browser/sync_file_system/drive_backend/callback_helper.h

 // This file was GENERATED by command:
 //     pump.py callback_helper.h.pump
 // DO NOT EDIT BY HAND!!!
 
 
 // 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.
 
 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_
@@ skipping 30 matching lines @@
 
 template <typename T>
 class CallbackHolder {
  public:
   CallbackHolder(base::SequencedTaskRunner* task_runner,
                  const tracked_objects::Location& from_here,
                  const base::Callback<T>& callback)
       : task_runner_(task_runner),
         from_here_(from_here),
         callback_(new base::Callback<T>(callback)) {
-    DCHECK(task_runner_);
+    DCHECK(task_runner_.get());
   }
 
   ~CallbackHolder() {
     base::Callback<T>* callback = callback_.release();
     if (!task_runner_->DeleteSoon(from_here_, callback))
       delete callback;
   }
 
-  base::SequencedTaskRunner* task_runner() const { return task_runner_; }
+  base::SequencedTaskRunner* task_runner() const { return task_runner_.get(); }
   const tracked_objects::Location& from_here() const { return from_here_; }
   const base::Callback<T>& callback() const { return *callback_; }
 
  private:
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
   const tracked_objects::Location from_here_;
   scoped_ptr<base::Callback<T> > callback_;
 
   DISALLOW_COPY_AND_ASSIGN(CallbackHolder);
 };
@@ skipping 104 matching lines @@
     const base::Callback<T>& callback) {
   return RelayCallbackToTaskRunner(
       base::ThreadTaskRunnerHandle::Get(),
       from_here, callback);
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system
 
 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_