Remove implicit conversions from scoped_refptr to T* in chrome/

chrome/browser/signin/easy_unlock_service.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/signin/easy_unlock_service.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
@@ skipping 52 matching lines @@
 
 class EasyUnlockService::BluetoothDetector
     : public device::BluetoothAdapter::Observer {
  public:
   explicit BluetoothDetector(EasyUnlockService* service)
       : service_(service),
         weak_ptr_factory_(this) {
   }
 
   virtual ~BluetoothDetector() {
-    if (adapter_)
+    if (adapter_.get())
       adapter_->RemoveObserver(this);
   }
 
   void Initialize() {
     if (!device::BluetoothAdapterFactory::IsBluetoothAdapterAvailable())
       return;
 
     device::BluetoothAdapterFactory::GetAdapter(
         base::Bind(&BluetoothDetector::OnAdapterInitialized,
                    weak_ptr_factory_.GetWeakPtr()));
   }
 
-  bool IsPresent() const {
-    return adapter_ && adapter_->IsPresent();
-  }
+  bool IsPresent() const { return adapter_.get() && adapter_->IsPresent(); }
 
   // device::BluetoothAdapter::Observer:
   virtual void AdapterPresentChanged(device::BluetoothAdapter* adapter,
                                      bool present) OVERRIDE {
     service_->OnBluetoothAdapterPresentChanged();
   }
 
  private:
   void OnAdapterInitialized(scoped_refptr<device::BluetoothAdapter> adapter) {
     adapter_ = adapter;
@@ skipping 273 matching lines @@
   // Make sure lock screen state set by the extension gets reset.
   screenlock_state_handler_.reset();
 
   if (GetComponentLoader(profile_)->Exists(extension_misc::kEasyUnlockAppId)) {
     extensions::ExtensionSystem* extension_system =
         extensions::ExtensionSystem::Get(profile_);
     extension_system->extension_service()->ReloadExtension(
         extension_misc::kEasyUnlockAppId);
   }
 }