Indicate in the tab UI if appcache creation was blocked by privacy settings.

webkit/appcache/appcache_request_handler.cc

Index: webkit/appcache/appcache_request_handler.cc
diff --git a/webkit/appcache/appcache_request_handler.cc b/webkit/appcache/appcache_request_handler.cc
index a17e7e5a30a0fc491070cb2fc2f38325e721f73e..afc0d28c0b98627019a2b0afa9472349ad0558ee 100644
--- a/webkit/appcache/appcache_request_handler.cc
+++ b/webkit/appcache/appcache_request_handler.cc
@@ -186,13 +186,16 @@ void AppCacheRequestHandler::MaybeLoadMainResource(URLRequest* request) {
 void AppCacheRequestHandler::OnMainResponseFound(
     const GURL& url, const AppCacheEntry& entry,
     const AppCacheEntry& fallback_entry,
-    int64 cache_id, const GURL& manifest_url) {
+    int64 cache_id, const GURL& manifest_url,
+    bool was_blocked_by_policy) {
   DCHECK(host_);
   DCHECK(is_main_request_);
   DCHECK(!entry.IsForeign());
   DCHECK(!fallback_entry.IsForeign());
   DCHECK(!(entry.has_response_id() && fallback_entry.has_response_id()));
 
+  host_->NotifyContentBlocked();
+
   if (cache_id != kNoCacheId) {
     // AppCacheHost loads and holds a reference to the main resource cache
     // for two reasons, firstly to preload the cache into the working set