Change GetProfileToUse method from Profile to content::BrowserContext

chrome/browser/prerender/prerender_manager_factory.h

Index: chrome/browser/prerender/prerender_manager_factory.h
diff --git a/chrome/browser/prerender/prerender_manager_factory.h b/chrome/browser/prerender/prerender_manager_factory.h
index 3f345e483c80dfd35e0407f2e2358533aed70aa8..5da45f5872d7a958b3a05ebd3a4301112ee88163 100644
--- a/chrome/browser/prerender/prerender_manager_factory.h
+++ b/chrome/browser/prerender/prerender_manager_factory.h
@@ -34,9 +34,8 @@ class PrerenderManagerFactory : public ProfileKeyedServiceFactory {
   // ProfileKeyedServiceFactory:
   virtual ProfileKeyedService* BuildServiceInstanceFor(
       content::BrowserContext* profile) const OVERRIDE;
-
-  // Prerendering is allowed in incognito.
-  virtual bool ServiceHasOwnInstanceInIncognito() const OVERRIDE;
+  virtual content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const OVERRIDE;
 };
 
 }  // namespace prerender