Remove implicit conversions from scoped_refptr to T* in athena

athena/system/orientation_controller.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 "athena/screen/public/screen_manager.h"
 #include "athena/system/orientation_controller.h"
 #include "base/bind.h"
 #include "base/files/file_path_watcher.h"
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 58 matching lines @@
   file_task_runner_ = file_task_runner;
   file_task_runner->PostTask(
       FROM_HERE,
       base::Bind(&OrientationController::WatchForSocketPathOnFILE, this));
 }
 
 OrientationController::~OrientationController() {
 }
 
 void OrientationController::Shutdown() {
-  CHECK(file_task_runner_);
+  CHECK(file_task_runner_.get());
   StopListening();
   file_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&OrientationController::ShutdownOnFILE, this));
 }
 
 void OrientationController::ShutdownOnFILE() {
   shutdown_ = true;
   watcher_.reset();
 }
@@ skipping 58 matching lines @@
 
 void OrientationController::RotateOnUI(gfx::Display::Rotation rotation) {
   ScreenManager* screen_manager = ScreenManager::Get();
   // Since this is called from the FILE thread, the screen manager may no longer
   // exist.
   if (screen_manager)
     screen_manager->SetRotation(rotation);
 }
 
 }  // namespace athena