Remove implicit conversions from scoped_refptr to T* in mojo/

mojo/services/view_manager/context_factory_impl.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 "mojo/services/view_manager/context_factory_impl.h"
 
 #include "cc/output/output_surface.h"
 #include "mojo/cc/context_provider_mojo.h"
 #include "ui/compositor/reflector.h"
 #include "ui/gl/gl_implementation.h"
@@ skipping 30 matching lines @@
     ui::Layer* mirroring_layer) {
   return NULL;
 }
 
 void ContextFactoryImpl::RemoveReflector(
     scoped_refptr<ui::Reflector> reflector) {
 }
 
 scoped_refptr<cc::ContextProvider>
 ContextFactoryImpl::SharedMainThreadContextProvider() {
-  if (!shared_main_thread_contexts_ ||
+  if (!shared_main_thread_contexts_.get() ||
       shared_main_thread_contexts_->DestroyedOnMainThread()) {
     bool lose_context_when_out_of_memory = false;
     shared_main_thread_contexts_ =
         webkit::gpu::ContextProviderInProcess::CreateOffscreen(
             lose_context_when_out_of_memory);
-    if (shared_main_thread_contexts_ &&
+    if (shared_main_thread_contexts_.get() &&
         !shared_main_thread_contexts_->BindToCurrentThread())
       shared_main_thread_contexts_ = NULL;
   }
   return shared_main_thread_contexts_;
 }
 
 void ContextFactoryImpl::RemoveCompositor(ui::Compositor* compositor) {
 }
 
 bool ContextFactoryImpl::DoesCreateTestContexts() { return false; }
 
 cc::SharedBitmapManager* ContextFactoryImpl::GetSharedBitmapManager() {
   return NULL;
 }
 
 base::MessageLoopProxy* ContextFactoryImpl::GetCompositorMessageLoop() {
   return NULL;
 }
 
 }  // namespace service
 }  // namespace mojo