[IndexedDB] Propogating changes to observers : Renderer

content/child/indexed_db/indexed_db_key_builders.h

Index: content/child/indexed_db/indexed_db_key_builders.h
diff --git a/content/child/indexed_db/indexed_db_key_builders.h b/content/child/indexed_db/indexed_db_key_builders.h
index d5f07828bb29036a67500f127cd91c915333f712..fd88b74c7489607c4826efb025726dfe9bb76af3 100644
--- a/content/child/indexed_db/indexed_db_key_builders.h
+++ b/content/child/indexed_db/indexed_db_key_builders.h
@@ -44,6 +44,14 @@ class CONTENT_EXPORT IndexedDBKeyRangeBuilder {
   DISALLOW_COPY_AND_ASSIGN(IndexedDBKeyRangeBuilder);
 };
 
+class CONTENT_EXPORT WebIDBKeyRangeBuilder {
+ public:
+  static blink::WebIDBKeyRange Build(const content::IndexedDBKeyRange& key);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WebIDBKeyRangeBuilder);
+};
+
 class CONTENT_EXPORT IndexedDBKeyPathBuilder {
  public:
   static IndexedDBKeyPath Build(const blink::WebIDBKeyPath& key_path);