[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/bookmarks/bookmark_model_factory.cc

Index: chrome/browser/bookmarks/bookmark_model_factory.cc
diff --git a/chrome/browser/bookmarks/bookmark_model_factory.cc b/chrome/browser/bookmarks/bookmark_model_factory.cc
index 73da8cbe59f96b908d5302b2379c62721cf76eef..1080f64abc780ce5a0659e16d69855d84344e611 100644
--- a/chrome/browser/bookmarks/bookmark_model_factory.cc
+++ b/chrome/browser/bookmarks/bookmark_model_factory.cc
@@ -39,7 +39,8 @@ BookmarkModelFactory::BookmarkModelFactory()
 BookmarkModelFactory::~BookmarkModelFactory() {}
 
 ProfileKeyedService* BookmarkModelFactory::BuildServiceInstanceFor(
-    Profile* profile) const {
+    content::BrowserContext* context) const {
+  Profile* profile = static_cast<Profile*>(context);
   BookmarkModel* bookmark_model = new BookmarkModel(profile);
   bookmark_model->Load(StartupTaskRunnerServiceFactory::GetForProfile(profile)->
       GetBookmarkTaskRunner());