Remove implicit conversions from scoped_refptr to T* in content/

content/browser/device_monitor_mac.mm

 // 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 "content/browser/device_monitor_mac.h"
 
 #import <QTKit/QTKit.h>
 
 #include <set>
 
@@ skipping 279 matching lines @@
 
   base::Closure on_device_changed_callback =
       base::Bind(&SuspendObserverDelegate::OnDeviceChanged,
                  this, device_thread);
   suspend_observer_.reset([[CrAVFoundationDeviceObserver alloc]
       initWithOnChangedCallback:on_device_changed_callback]);
 
   // Enumerate the devices in Device thread and post the observers start to be
   // done on UI thread. The devices array is retained in |device_thread| and
   // released in DoStartObserver().
-  base::PostTaskAndReplyWithResult(device_thread, FROM_HERE,
+  base::PostTaskAndReplyWithResult(
+      device_thread.get(),
+      FROM_HERE,
       base::BindBlock(^{ return [[AVCaptureDeviceGlue devices] retain]; }),
       base::Bind(&SuspendObserverDelegate::DoStartObserver, this));
 }
 
 void SuspendObserverDelegate::OnDeviceChanged(
       const scoped_refptr<base::SingleThreadTaskRunner>& device_thread) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   // Enumerate the devices in Device thread and post the consolidation of the
   // new devices and the old ones to be done on UI thread. The devices array
   // is retained in |device_thread| and released in DoOnDeviceChanged().
-  PostTaskAndReplyWithResult(device_thread, FROM_HERE,
+  PostTaskAndReplyWithResult(
+      device_thread.get(),
+      FROM_HERE,
       base::BindBlock(^{ return [[AVCaptureDeviceGlue devices] retain]; }),
       base::Bind(&SuspendObserverDelegate::DoOnDeviceChanged, this));
 }
 
 void SuspendObserverDelegate::ResetDeviceMonitor() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   avfoundation_monitor_impl_ = NULL;
   [suspend_observer_ clearOnDeviceChangedCallback];
 }
 
@@ skipping 210 matching lines @@
 }
 
 void DeviceMonitorMac::NotifyDeviceChanged(
     base::SystemMonitor::DeviceType type) {
   DCHECK(thread_checker_.CalledOnValidThread());
   // TODO(xians): Remove the global variable for SystemMonitor.
   base::SystemMonitor::Get()->ProcessDevicesChanged(type);
 }
 
 }  // namespace content