Unstrangle unhandled key event callback for webview

third_party/WebKit/Source/core/input/EventHandler.h

Index: third_party/WebKit/Source/core/input/EventHandler.h
diff --git a/third_party/WebKit/Source/core/input/EventHandler.h b/third_party/WebKit/Source/core/input/EventHandler.h
index 20aee780bb665791bcaca6eca97deba33b6bbdbb..0df60ad3113a9a93229b9a5c9a822251a8027b0e 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.h
+++ b/third_party/WebKit/Source/core/input/EventHandler.h
@@ -460,6 +460,11 @@ private:
     // scroll which shouldn't propagate can't cause any element to
     // scroll other than the |m_previousGestureScrolledNode|.
     bool m_deltaConsumedForScrollSequence;
+
+    // Make sure that we return consistent return value for key down / key press
+    // and key up events.
+    bool m_overrideNextKeyupEvent;
+    bool m_returnValueForNextKeyupEvent;
 };
 
 } // namespace blink