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

chromeos/dbus/dbus_thread_manager.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 "chromeos/dbus/dbus_thread_manager.h"
 
 #include <map>
 
 #include "base/chromeos/chromeos_version.h"
 #include "base/command_line.h"
@@ skipping 163 matching lines @@
   // DBusThreadManager override.
   virtual void RemoveObserver(DBusThreadManagerObserver* observer) OVERRIDE {
     DCHECK(observer);
     observers_.RemoveObserver(observer);
   }
 
   // DBusThreadManager override.
   virtual void InitIBusBus(
       const std::string &ibus_address,
       const base::Closure& on_disconnected_callback) OVERRIDE {
-    DCHECK(!ibus_bus_);
+    DCHECK(!ibus_bus_.get());
     dbus::Bus::Options ibus_bus_options;
     ibus_bus_options.bus_type = dbus::Bus::CUSTOM_ADDRESS;
     ibus_bus_options.address = ibus_address;
     ibus_bus_options.connection_type = dbus::Bus::PRIVATE;
     ibus_bus_options.dbus_task_runner = dbus_thread_->message_loop_proxy();
     ibus_bus_options.disconnected_callback = on_disconnected_callback;
     ibus_bus_ = new dbus::Bus(ibus_bus_options);
     ibus_address_ = ibus_address;
     VLOG(1) << "Connected to ibus-daemon: " << ibus_address;
 
@@ skipping 301 matching lines @@
 }
 
 // static
 DBusThreadManager* DBusThreadManager::Get() {
   CHECK(g_dbus_thread_manager)
       << "DBusThreadManager::Get() called before Initialize()";
   return g_dbus_thread_manager;
 }
 
 }  // namespace chromeos