[NoStatePrefetch] Add performance histograms.

chrome/browser/extensions/activity_log/activity_log_unittest.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/extensions/activity_log/activity_log.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 237 matching lines @@
                            .Set("manifest_version", 2)
                            .Build())
           .Build();
   extension_service_->AddExtension(extension.get());
   ActivityLog* activity_log = ActivityLog::GetInstance(profile());
   EXPECT_TRUE(activity_log->ShouldLog(extension->id()));
   ASSERT_TRUE(GetDatabaseEnabled());
   GURL url("http://www.google.com");
 
   prerender::PrerenderManager* prerender_manager =
-      prerender::PrerenderManagerFactory::GetForProfile(
-          Profile::FromBrowserContext(profile()));
+      prerender::PrerenderManagerFactory::GetForBrowserContext(profile());
 
   const gfx::Size kSize(640, 480);
   std::unique_ptr<prerender::PrerenderHandle> prerender_handle(
       prerender_manager->AddPrerenderFromOmnibox(
           url,
           web_contents()->GetController().GetDefaultSessionStorageNamespace(),
           kSize));
 
   const std::vector<content::WebContents*> contentses =
       prerender_manager->GetAllPrerenderingContents();
@@ skipping 176 matching lines @@
   EXPECT_TRUE(activity_log->ShouldLog(empty_extension->id()));
   // ... but not those of the watchdog app.
   EXPECT_FALSE(activity_log->ShouldLog(activity_log_extension->id()));
   extension_service_->DisableExtension(activity_log_extension->id(),
                                        Extension::DISABLE_USER_ACTION);
   // Disabling the watchdog app means that we're back to never logging anything.
   EXPECT_FALSE(activity_log->ShouldLog(empty_extension->id()));
 }
 
 }  // namespace extensions