DevTools: handle gesture tap event while in inspecting element mode.

Source/core/inspector/InspectorOverlay.cpp

Index: Source/core/inspector/InspectorOverlay.cpp
diff --git a/Source/core/inspector/InspectorOverlay.cpp b/Source/core/inspector/InspectorOverlay.cpp
index 25ea756f3f4e5098c64bc1cfae7fa336950eb823..6ac89394e66d77ed7a5d585c790ee6d261224b71 100644
--- a/Source/core/inspector/InspectorOverlay.cpp
+++ b/Source/core/inspector/InspectorOverlay.cpp
@@ -255,6 +255,14 @@ void InspectorOverlay::invalidate()
     m_client->highlight();
 }
 
+bool InspectorOverlay::handleGestureEvent(const PlatformGestureEvent& event)
+{
+    if (isEmpty())
+        return false;
+
+    return overlayPage()->mainFrame()->eventHandler()->handleGestureEvent(event);
+}
+
 bool InspectorOverlay::handleMouseEvent(const PlatformMouseEvent& event)
 {
     if (isEmpty())