[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/thumbnails/thumbnail_service_factory.cc

Index: chrome/browser/thumbnails/thumbnail_service_factory.cc
diff --git a/chrome/browser/thumbnails/thumbnail_service_factory.cc b/chrome/browser/thumbnails/thumbnail_service_factory.cc
index 2549b7d23b9cc26b5f997c94a730e0ee033465a9..4de144a4e5295d4764abf830cda192240d747622 100644
--- a/chrome/browser/thumbnails/thumbnail_service_factory.cc
+++ b/chrome/browser/thumbnails/thumbnail_service_factory.cc
@@ -34,7 +34,8 @@ ThumbnailServiceFactory* ThumbnailServiceFactory::GetInstance() {
 }
 
 scoped_refptr<RefcountedProfileKeyedService>
-    ThumbnailServiceFactory::BuildServiceInstanceFor(Profile* profile) const {
+    ThumbnailServiceFactory::BuildServiceInstanceFor(
+        content::BrowserContext* profile) const {
   return scoped_refptr<RefcountedProfileKeyedService>(
-      new ThumbnailServiceImpl(profile));
+      new ThumbnailServiceImpl(static_cast<Profile*>(profile)));
 }