Bug 967206 - Remove !mDoc->EventHandlingSuppressed() assertion in ~nsGlobalWindow; r=mrbkap

dom/base/nsGlobalWindow.cpp

@@ -1305,8 +1305,6 @@ nsGlobalWindow::~nsGlobalWindow()
     if (outer) {
       outer->MaybeClearInnerWindow(this);
     }
-
-    MOZ_ASSERT_IF(mDoc, !mDoc->EventHandlingSuppressed());
   }
 
   // Outer windows are always supposed to call CleanUp before letting themselves