[NoStatePrefetch] Add performance histograms.

chrome/browser/prerender/prerender_manager_factory.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/prerender/prerender_manager_factory.h"
 
 #include "base/trace_event/trace_event.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/predictors/predictor_database_factory.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 
 #if defined(ENABLE_EXTENSIONS)
 #include "extensions/browser/extension_system_provider.h"
 #include "extensions/browser/extensions_browser_client.h"
 #endif
 
 namespace prerender {
 
 // static
-PrerenderManager* PrerenderManagerFactory::GetForProfile(
-    Profile* profile) {
+PrerenderManager* PrerenderManagerFactory::GetForBrowserContext(
+    content::BrowserContext* context) {
   TRACE_EVENT0("browser", "PrerenderManagerFactory::GetForProfile")
   if (!PrerenderManager::IsPrerenderingPossible())
     return NULL;
   return static_cast<PrerenderManager*>(
-      GetInstance()->GetServiceForBrowserContext(profile, true));
+      GetInstance()->GetServiceForBrowserContext(context, true));
 }
 
 // static
 PrerenderManagerFactory* PrerenderManagerFactory::GetInstance() {
   return base::Singleton<PrerenderManagerFactory>::get();
 }
 
 PrerenderManagerFactory::PrerenderManagerFactory()
     : BrowserContextKeyedServiceFactory(
         "PrerenderManager",
@@ skipping 15 matching lines @@
     content::BrowserContext* browser_context) const {
   return new PrerenderManager(Profile::FromBrowserContext(browser_context));
 }
 
 content::BrowserContext* PrerenderManagerFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextOwnInstanceInIncognito(context);
 }
 
 }  // namespace prerender