1 files changed, 6 insertions, 0 deletions
diff --git a/Source/WebKit/chromium/src/WebCompositorInputHandlerImpl.h b/Source/WebKit/chromium/src/WebCompositorInputHandlerImpl.h
index 1ebc1e155..a2f13025d 100644
--- a/Source/WebKit/chromium/src/WebCompositorInputHandlerImpl.h
+++ b/Source/WebKit/chromium/src/WebCompositorInputHandlerImpl.h
@@ -70,6 +70,12 @@ private:
     int m_identifier;
     WebCore::CCInputHandlerClient* m_inputHandlerClient;
 
+#ifndef NDEBUG
+    bool m_expectScrollUpdateEnd;
+    bool m_expectPinchUpdateEnd;
+#endif
+    bool m_scrollStarted;
+
     static int s_nextAvailableIdentifier;
     static HashSet<WebCompositorInputHandlerImpl*>* s_compositors;
 };