Improve IndexedDB's quota support

content/browser/in_process_webkit/indexed_db_callbacks.h

Index: content/browser/in_process_webkit/indexed_db_callbacks.h
diff --git a/content/browser/in_process_webkit/indexed_db_callbacks.h b/content/browser/in_process_webkit/indexed_db_callbacks.h
index 40704a27dd1846edd513d7bbee6deaa137f27952..fc9ff81d4dc44d46a39826904fd9598db72f388a 100644
--- a/content/browser/in_process_webkit/indexed_db_callbacks.h
+++ b/content/browser/in_process_webkit/indexed_db_callbacks.h
@@ -25,9 +25,6 @@ template <class Type> struct WebIDBToMsgHelper { };
 template <> struct WebIDBToMsgHelper<WebKit::WebIDBIndex> {
   typedef IndexedDBMsg_CallbacksSuccessIDBIndex MsgType;
 };
-template <> struct WebIDBToMsgHelper<WebKit::WebIDBTransaction> {
-  typedef IndexedDBMsg_CallbacksSuccessIDBTransaction MsgType;
-};
 
 // The code the following two classes share.
 class IndexedDBCallbacksBase : public WebKit::WebIDBCallbacks {
@@ -73,6 +70,25 @@ class IndexedDBCallbacks : public IndexedDBCallbacksBase {
 };
 
 template <>
+class IndexedDBCallbacks<WebKit::WebIDBTransaction>
+    : public IndexedDBCallbacksBase {
+ public:
+  IndexedDBCallbacks(
+      IndexedDBDispatcherHost* dispatcher_host, int32 response_id,
+      const GURL& origin_url)
+      : IndexedDBCallbacksBase(dispatcher_host, response_id),
+        origin_url_(origin_url) {
+  }
+
+  virtual void onSuccess(WebKit::WebIDBTransaction* idb_object);
+  const GURL& origin_url() const { return origin_url_; }
+
+ private:
+  const GURL& origin_url_;
+  DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBCallbacks);
+};
+
+template <>
 class IndexedDBCallbacks<WebKit::WebIDBDatabase>
     : public IndexedDBCallbacksBase {
  public: