[IndexedDB] Adding async tracing for renderer calls.

third_party/WebKit/Source/modules/indexeddb/IDBCursor.h

Index: third_party/WebKit/Source/modules/indexeddb/IDBCursor.h
diff --git a/third_party/WebKit/Source/modules/indexeddb/IDBCursor.h b/third_party/WebKit/Source/modules/indexeddb/IDBCursor.h
index 5c60148c88f83a2d3017982e51923009a4c75afd..c98cdd88b29d6f6ee2b2a3ba1ea2cc572f38d684 100644
--- a/third_party/WebKit/Source/modules/indexeddb/IDBCursor.h
+++ b/third_party/WebKit/Source/modules/indexeddb/IDBCursor.h
@@ -87,7 +87,10 @@ class IDBCursor : public GarbageCollectedFinalized<IDBCursor>,
   bool isPrimaryKeyDirty() const { return primary_key_dirty_; }
   bool isValueDirty() const { return value_dirty_; }
 
-  void Continue(IDBKey*, IDBKey* primary_key, ExceptionState&);
+  void Continue(IDBKey*,
+                IDBKey* primary_key,
+                ExceptionState&,

[pwnall, 2017/05/25 23:04:25]

I think ExceptionState should still be the last param, because it's an
out-param.

[dmurph, 2017/05/31 19:26:25]

Done.

+                IDBRequest::AsyncTraceState);
   void PostSuccessHandlerCallback();
   bool IsDeleted() const;
   void Close();