Tell IDB frontend about data loss

content/browser/indexed_db/indexed_db_backing_store.h

Index: content/browser/indexed_db/indexed_db_backing_store.h
diff --git a/content/browser/indexed_db/indexed_db_backing_store.h b/content/browser/indexed_db/indexed_db_backing_store.h
index 4d32f5850ad430f31b599a81bb717bb92708f149..22b4699d159d8ce5423010e12ce931ff551ad9c2 100644
--- a/content/browser/indexed_db/indexed_db_backing_store.h
+++ b/content/browser/indexed_db/indexed_db_backing_store.h
@@ -20,6 +20,7 @@
 #include "content/common/indexed_db/indexed_db_key.h"
 #include "content/common/indexed_db/indexed_db_key_path.h"
 #include "content/common/indexed_db/indexed_db_key_range.h"
+#include "third_party/WebKit/public/platform/WebIDBCallbacks.h"
 
 namespace content {
 
@@ -44,11 +45,13 @@ class CONTENT_EXPORT IndexedDBBackingStore
   static scoped_refptr<IndexedDBBackingStore> Open(
       const string16& database_identifier,
       const base::FilePath& path_base,
-      const string16& file_identifier);
+      const string16& file_identifier,
+      WebKit::WebIDBCallbacks::DataLoss* data_loss);
   static scoped_refptr<IndexedDBBackingStore> Open(
       const string16& database_identifier,
       const base::FilePath& path_base,
       const string16& file_identifier,
+      WebKit::WebIDBCallbacks::DataLoss* data_loss,
       LevelDBFactory* factory);
   static scoped_refptr<IndexedDBBackingStore> OpenInMemory(
       const string16& identifier);