[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/prerender/prerender_manager_factory.cc

Index: chrome/browser/prerender/prerender_manager_factory.cc
diff --git a/chrome/browser/prerender/prerender_manager_factory.cc b/chrome/browser/prerender/prerender_manager_factory.cc
index f676d08bccdb667e8d4929396ba1bf929631c0ef..fa24229f69388e87f3046d85d1a27c22e7190659 100644
--- a/chrome/browser/prerender/prerender_manager_factory.cc
+++ b/chrome/browser/prerender/prerender_manager_factory.cc
@@ -44,10 +44,10 @@ PrerenderManagerFactory::~PrerenderManagerFactory() {
 }
 
 ProfileKeyedService* PrerenderManagerFactory::BuildServiceInstanceFor(
-    Profile* profile) const {
+    content::BrowserContext* profile) const {
   CHECK(g_browser_process->prerender_tracker());
   PrerenderManager* prerender_manager = new PrerenderManager(
-      profile, g_browser_process->prerender_tracker());
+      static_cast<Profile*>(profile), g_browser_process->prerender_tracker());
 #if defined(OS_CHROMEOS)
   if (chromeos::CrosLibrary::Get()) {
     prerender_manager->AddCondition(