Remove implicit conversions from scoped_refptr to T* in device/

device/hid/hid_service_mac.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 "device/hid/hid_service_mac.h"
 
 #include <CoreFoundation/CoreFoundation.h>
 #include <IOKit/hid/IOHIDManager.h>
 
 #include <set>
@@ skipping 129 matching lines @@
       top_level_collections->push_back(collection_info);
     }
   }
 }
 
 }  // namespace
 
 HidServiceMac::HidServiceMac() {
   DCHECK(thread_checker_.CalledOnValidThread());
   message_loop_ = base::MessageLoopProxy::current();
-  DCHECK(message_loop_);
+  DCHECK(message_loop_.get());
   hid_manager_.reset(IOHIDManagerCreate(NULL, 0));
   if (!hid_manager_) {
     LOG(ERROR) << "Failed to initialize HidManager";
     return;
   }
   DCHECK(CFGetTypeID(hid_manager_) == IOHIDManagerGetTypeID());
   IOHIDManagerOpen(hid_manager_, kIOHIDOptionsTypeNone);
   IOHIDManagerSetDeviceMatching(hid_manager_, NULL);
 
   // Enumerate all the currently known devices.
@@ skipping 109 matching lines @@
 scoped_refptr<HidConnection> HidServiceMac::Connect(
     const HidDeviceId& device_id) {
   DCHECK(thread_checker_.CalledOnValidThread());
   HidDeviceInfo device_info;
   if (!GetDeviceInfo(device_id, &device_info))
     return NULL;
   return scoped_refptr<HidConnection>(new HidConnectionMac(device_info));
 }
 
 }  // namespace device