Convert the BrowerThemeProvider pointer from being ref counted to

chrome/test/testing_profile.cc

 // Copyright (c) 2006-2008 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/test/testing_profile.h"
 
 #include "build/build_config.h"
 #include "base/string_util.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/history/history_backend.h"
@@ skipping 157 matching lines @@
   DCHECK(bookmark_bar_model_->IsLoaded());
 }
 
 void TestingProfile::CreateTemplateURLModel() {
   template_url_model_.reset(new TemplateURLModel(this));
 }
 
 void TestingProfile::UseThemeProvider(BrowserThemeProvider* theme_provider) {
   theme_provider->Init(this);
   created_theme_provider_ = true;
-  theme_provider_ = theme_provider;
+  theme_provider_.reset(theme_provider);
 }
 
 void TestingProfile::InitThemes() {
   if (!created_theme_provider_) {
 #if defined(OS_LINUX) && !defined(TOOLKIT_VIEWS)
-    scoped_refptr<BrowserThemeProvider> themes(new GtkThemeProvider);
+    theme_provider_.reset(new GtkThemeProvider);
 #else
-    scoped_refptr<BrowserThemeProvider> themes(new BrowserThemeProvider);
+    theme_provider_.reset(new BrowserThemeProvider);
 #endif
-    themes->Init(this);
+    theme_provider_->Init(this);
     created_theme_provider_ = true;
-    theme_provider_.swap(themes);
   }
 }
 
 void TestingProfile::BlockUntilHistoryProcessesPendingRequests() {
   DCHECK(history_service_.get());
   DCHECK(MessageLoop::current());
 
   CancelableRequestConsumer consumer;
   history_service_->ScheduleDBTask(new QuittingHistoryDBTask(), &consumer);
   MessageLoop::current()->Run();
 }