Suppressed MEs for gestures from cancelled PEs

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 0a37b77390be8b54d4c2034d1d1b8d1330e39dcb..c72c09a256117261759716b327dd41c408ea78b8 100644
--- a/third_party/WebKit/Source/core/input/EventHandler.h
+++ b/third_party/WebKit/Source/core/input/EventHandler.h
@@ -234,6 +234,7 @@ private:
 
     HitTestRequest::HitTestRequestType getHitTypeForGestureType(PlatformEvent::EventType);
     void applyTouchAdjustment(PlatformGestureEvent*, HitTestResult*);
+    WebInputEventResult handleGestureTapDown(const GestureEventWithHitTestResults&);
     WebInputEventResult handleGestureTap(const GestureEventWithHitTestResults&);
     WebInputEventResult handleGestureLongPress(const GestureEventWithHitTestResults&);
     WebInputEventResult handleGestureLongTap(const GestureEventWithHitTestResults&);
@@ -380,6 +381,11 @@ private:
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     Member<Element> m_lastDeferredTapElement;
+
+    // Set on GestureTapDown if the |pointerdown| event corresponding to the
+    // triggering |touchstart| event was canceled. This suppresses mouse event
+    // firing for the current gesture sequence (i.e. until next GestureTapDown).
+    bool m_suppressMouseEventsFromGestures;
 };
 
 } // namespace blink