[DevTools] ConsoleMessage storage moved from ConsoleAgent

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 4f0fb147d02d2d4a652316109592a4c1eec3b1b7..b2ae28330275f4b6c3619f6dc776b9c6ee0466a9 100644
--- a/Source/core/frame/LocalFrame.cpp
+++ b/Source/core/frame/LocalFrame.cpp
@@ -233,7 +233,10 @@ FloatSize LocalFrame::resizePageRectsKeepingRatio(const FloatSize& originalSize,
 
 void LocalFrame::setDOMWindow(PassRefPtrWillBeRawPtr<LocalDOMWindow> domWindow)
 {
-    InspectorInstrumentation::frameWindowDiscarded(this, m_domWindow.get());
+    if (m_domWindow) {
+        console().messageStorage()->frameWindowDiscarded(m_domWindow.get());
+        InspectorInstrumentation::frameWindowDiscarded(this, m_domWindow.get());
+    }
     if (domWindow)
         script().clearWindowProxy();
     Frame::setDOMWindow(domWindow);