First-cut at fixing unhandled Tap event returns in Blink.

Source/core/page/EventHandler.h

Index: Source/core/page/EventHandler.h
diff --git a/Source/core/page/EventHandler.h b/Source/core/page/EventHandler.h
index e157c2d0b359b3d28876b03bb26dae9194e2e0a4..c91a5f33ce30842fa4d7fda82932224357559b5f 100644
--- a/Source/core/page/EventHandler.h
+++ b/Source/core/page/EventHandler.h
@@ -392,6 +392,11 @@ private:
     Timer<EventHandler> m_activeIntervalTimer;
     double m_lastShowPressTimestamp;
     RefPtr<Element> m_lastDeferredTapElement;
+
+    // Fixes the return value of a Tap event to unhandled in cases where the
+    // fake click causes the selection to change and would normally return
+    // true to indicate the Tap was handled.
+    bool m_fixTapGestureReturnValue;
 };
 
 } // namespace WebCore