Fix Runtime.executionContextCreated for crafted iframes.

Source/core/frame/LocalFrame.cpp

Index: Source/core/frame/LocalFrame.cpp
diff --git a/Source/core/frame/LocalFrame.cpp b/Source/core/frame/LocalFrame.cpp
index cc50eed3b842f391116422260b5ca375d9617023..adf955136f8047b493c56ea2d3ef0d821d8a6c48 100644
--- a/Source/core/frame/LocalFrame.cpp
+++ b/Source/core/frame/LocalFrame.cpp
@@ -345,10 +345,8 @@ void LocalFrame::setDOMWindow(PassRefPtrWillBeRawPtr<LocalDOMWindow> domWindow)
     //    die with the window. And the registered DOMWindowProperty instances that don't,
     //    only keep a weak reference to this frame, so there's no need to be
     //    explicitly notified that this frame is going away.
-    if (m_domWindow && host()) {
+    if (m_domWindow && host())
         host()->consoleMessageStorage().frameWindowDiscarded(m_domWindow.get());
-        InspectorInstrumentation::frameWindowDiscarded(this, m_domWindow.get());
-    }
     if (domWindow)
         script().clearWindowProxy();