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

chrome/browser/sync_file_system/drive_backend/sync_task_token.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 "chrome/browser/sync_file_system/drive_backend/sync_task_token.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/thread_task_runner_handle.h"
 #include "chrome/browser/sync_file_system/drive_backend/sync_task_manager.h"
@@ skipping 50 matching lines @@
   callback_ = callback;
   DVLOG(2) << "Token updated: " << location_.ToString();
 }
 
 SyncTaskToken::~SyncTaskToken() {
   // All task on Client must hold TaskToken instance to ensure
   // no other tasks are running. Also, as soon as a task finishes to work,
   // it must return the token to TaskManager.
   // Destroying a token with valid |client| indicates the token was
   // dropped by a task without returning.
-  if (task_runner_ && task_runner_->RunsTasksOnCurrentThread() &&
+  if (task_runner_.get() && task_runner_->RunsTasksOnCurrentThread() &&
       manager_ && manager_->IsRunningTask(token_id_)) {
     NOTREACHED()
         << "Unexpected TaskToken deletion from: " << location_.ToString();
 
     // Reinitializes the token.
     SyncTaskManager::NotifyTaskDone(
-        make_scoped_ptr(new SyncTaskToken(
-            manager_, task_runner_, token_id_, blocking_factor_.Pass(),
-            SyncStatusCallback())),
+        make_scoped_ptr(new SyncTaskToken(manager_,
+                                          task_runner_.get(),
+                                          token_id_,
+                                          blocking_factor_.Pass(),
+                                          SyncStatusCallback())),
         SYNC_STATUS_OK);
   }
 }
 
 // static
 SyncStatusCallback SyncTaskToken::WrapToCallback(
     scoped_ptr<SyncTaskToken> token) {
   return base::Bind(&SyncTaskManager::NotifyTaskDone, base::Passed(&token));
 }
 
@@ skipping 52 matching lines @@
                              const SyncStatusCallback& callback)
     : manager_(manager),
       task_runner_(task_runner),
       token_id_(token_id),
       callback_(callback),
       blocking_factor_(blocking_factor.Pass()) {
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system