bindings: Stop passing ExceptionState to callback function

third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp

Index: third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp
diff --git a/third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp b/third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp
index 88ea10eb6f41547522b4750fe40a3405a1d5108c..95abf13fd943670ef41e1446a317e32a75b242fe 100644
--- a/third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp
+++ b/third_party/WebKit/Source/modules/indexeddb/IDBObserver.cpp
@@ -102,11 +102,8 @@ void IDBObserver::onChange(int32_t id,
                            const WebVector<int32_t>& observationIndex) {
   auto it = m_observerIds.find(id);
   DCHECK(it != m_observerIds.end());
-  // TODO(bashi): Make sure that using TrackExceptionState is OK.
-  // crbug.com/653769
-  TrackExceptionState exceptionState;
   m_callback->call(
-      m_scriptState.get(), this, exceptionState,
+      m_scriptState.get(), this,
       IDBObserverChanges::create(it->value, observations, observationIndex));
 }