[components] Switch {RefCounted}ProfileKeyedService to use BrowserContext

chrome/browser/sync/profile_sync_service_factory.cc

Index: chrome/browser/sync/profile_sync_service_factory.cc
diff --git a/chrome/browser/sync/profile_sync_service_factory.cc b/chrome/browser/sync/profile_sync_service_factory.cc
index c6fa790e2ade0e9c4560ca964c840e34b465d2b6..38fb2eae899b0d362d3e15c53d7d3508d968d296 100644
--- a/chrome/browser/sync/profile_sync_service_factory.cc
+++ b/chrome/browser/sync/profile_sync_service_factory.cc
@@ -80,7 +80,9 @@ ProfileSyncServiceFactory::~ProfileSyncServiceFactory() {
 }
 
 ProfileKeyedService* ProfileSyncServiceFactory::BuildServiceInstanceFor(
-    Profile* profile) const {
+    content::BrowserContext* context) const {
+  Profile* profile = static_cast<Profile*>(context);
+
   ProfileSyncService::StartBehavior behavior =
       browser_defaults::kSyncAutoStarts ? ProfileSyncService::AUTO_START
                                         : ProfileSyncService::MANUAL_START;