Update CrOS to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/chromeos/system/ash_system_tray_delegate.cc

 // 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 "chrome/browser/chromeos/system/ash_system_tray_delegate.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 308 matching lines @@
         AddSessionStateObserver(this);
   }
 
   virtual void Shutdown() OVERRIDE {
     data_promo_notification_.reset();
   }
 
   void InitializeOnAdapterReady(
       scoped_refptr<device::BluetoothAdapter> adapter) {
     bluetooth_adapter_ = adapter;
-    CHECK(bluetooth_adapter_);
+    CHECK(bluetooth_adapter_.get());
     bluetooth_adapter_->AddObserver(this);
 
     local_state_registrar_.reset(new PrefChangeRegistrar);
     local_state_registrar_->Init(g_browser_process->local_state());
 
     UpdateSessionStartTime();
     UpdateSessionLengthLimit();
 
     local_state_registrar_->Add(
         prefs::kSessionStartTime,
@@ skipping 982 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(SystemTrayDelegate);
 };
 
 }  // namespace
 
 ash::SystemTrayDelegate* CreateSystemTrayDelegate() {
   return new chromeos::SystemTrayDelegate();
 }
 
 }  // namespace chromeos