[Sync] Fix namespaces for the browser_sync component.

chrome/browser/ui/webui/favicon_source.cc

Index: chrome/browser/ui/webui/favicon_source.cc
diff --git a/chrome/browser/ui/webui/favicon_source.cc b/chrome/browser/ui/webui/favicon_source.cc
index 3286703afcfd41737e86241034a772c6016035d2..8ecedfbd5dfe03c668431458efc1ae3d7bd20189 100644
--- a/chrome/browser/ui/webui/favicon_source.cc
+++ b/chrome/browser/ui/webui/favicon_source.cc
@@ -146,7 +146,7 @@ bool FaviconSource::ShouldServiceRequest(const net::URLRequest* request) const {
 
 bool FaviconSource::HandleMissingResource(const IconRequest& request) {
   // If the favicon is not available, try to use the synced favicon.
-  ProfileSyncService* sync_service =
+  browser_sync::ProfileSyncService* sync_service =
       ProfileSyncServiceFactory::GetInstance()->GetForProfile(profile_);
   sync_sessions::OpenTabsUIDelegate* open_tabs =
       sync_service ? sync_service->GetOpenTabsUIDelegate() : nullptr;