AppCaches which belong to hosted apps are not protected from deletion

webkit/appcache/appcache_service.cc

Index: webkit/appcache/appcache_service.cc
diff --git a/webkit/appcache/appcache_service.cc b/webkit/appcache/appcache_service.cc
index bc0f4cc17207a60a3d94bbb10b5f744859de110a..7d05af032cfcf37fe5bc9250342bde8d2a36c9af 100644
--- a/webkit/appcache/appcache_service.cc
+++ b/webkit/appcache/appcache_service.cc
@@ -126,6 +126,7 @@ class AppCacheService::DeleteHelper : public AsyncHelper {
       appcache::AppCacheGroup* group, bool success);
 
   GURL manifest_url_;
+
   DISALLOW_COPY_AND_ASSIGN(DeleteHelper);
 };
 
@@ -256,6 +257,7 @@ class AppCacheService::GetInfoHelper : AsyncHelper {
   virtual void OnAllInfo(AppCacheInfoCollection* collection);
 
   scoped_refptr<AppCacheInfoCollection> collection_;
+
   DISALLOW_COPY_AND_ASSIGN(GetInfoHelper);
 };
 
@@ -273,7 +275,7 @@ void AppCacheService::GetInfoHelper::OnAllInfo(
 AppCacheService::AppCacheService(quota::QuotaManagerProxy* quota_manager_proxy)
     : appcache_policy_(NULL), quota_client_(NULL),
       quota_manager_proxy_(quota_manager_proxy),
-      request_context_(NULL)  {
+      request_context_(NULL), clear_local_state_on_exit_(false)  {
   if (quota_manager_proxy_) {
     quota_client_ = new AppCacheQuotaClient(this);
     quota_manager_proxy_->RegisterClient(quota_client_);