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

chrome/browser/thumbnails/thumbnail_service_impl.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/thumbnails/thumbnail_service_impl.h"
 
 #include "base/memory/ref_counted_memory.h"
 #include "chrome/browser/history/history_service.h"
 #include "chrome/browser/thumbnails/simple_thumbnail_crop.h"
 #include "chrome/browser/thumbnails/thumbnailing_context.h"
@@ skipping 11 matching lines @@
 ThumbnailServiceImpl::ThumbnailServiceImpl(Profile* profile)
     : top_sites_(profile->GetTopSites()) {
 }
 
 ThumbnailServiceImpl::~ThumbnailServiceImpl() {
 }
 
 bool ThumbnailServiceImpl::SetPageThumbnail(const ThumbnailingContext& context,
                                             const gfx::Image& thumbnail) {
   scoped_refptr<history::TopSites> local_ptr(top_sites_);
-  if (local_ptr == NULL)
+  if (local_ptr.get() == NULL)
     return false;
 
   return local_ptr->SetPageThumbnail(context.url, thumbnail, context.score);
 }
 
 bool ThumbnailServiceImpl::GetPageThumbnail(
     const GURL& url,
     scoped_refptr<base::RefCountedMemory>* bytes) {
   scoped_refptr<history::TopSites> local_ptr(top_sites_);
-  if (local_ptr == NULL)
+  if (local_ptr.get() == NULL)
     return false;
 
   return local_ptr->GetPageThumbnail(url, bytes);
 }
 
 ThumbnailingAlgorithm* ThumbnailServiceImpl::GetThumbnailingAlgorithm()
     const {
   return new SimpleThumbnailCrop(gfx::Size(kThumbnailWidth, kThumbnailHeight));
 }
 
 bool ThumbnailServiceImpl::ShouldAcquirePageThumbnail(const GURL& url) {
   scoped_refptr<history::TopSites> local_ptr(top_sites_);
 
-  if (local_ptr == NULL)
+  if (local_ptr.get() == NULL)
     return false;
 
   // Skip if the given URL is not appropriate for history.
   if (!HistoryService::CanAddURL(url))
     return false;
   // Skip if the top sites list is full, and the URL is not known.
   if (local_ptr->IsFull() && !local_ptr->IsKnownURL(url))
     return false;
   // Skip if we don't have to udpate the existing thumbnail.
   ThumbnailScore current_score;
@@ skipping 11 matching lines @@
 }
 
 void ThumbnailServiceImpl::ShutdownOnUIThread() {
   // Since each call uses its own scoped_refptr, we can just clear the reference
   // here by assigning null. If another call is completed, it added its own
   // reference.
   top_sites_ = NULL;
 }
 
 }