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

Source/core/inspector/InspectorController.cpp

Index: Source/core/inspector/InspectorController.cpp
diff --git a/Source/core/inspector/InspectorController.cpp b/Source/core/inspector/InspectorController.cpp
index a9cb37b199ae844813f5f80009368de73bae471a..fdb31a51c3298b1798867580f65403ad42598cdf 100644
--- a/Source/core/inspector/InspectorController.cpp
+++ b/Source/core/inspector/InspectorController.cpp
@@ -322,6 +322,15 @@ Node* InspectorController::highlightedNode() const
     return m_overlay->highlightedNode();
 }
 
+bool InspectorController::handleGestureEvent(Frame* frame, const PlatformGestureEvent& event)
+{
+    // Overlay should not consume events.
+    m_overlay->handleGestureEvent(event);
+    if (InspectorDOMAgent* domAgent = m_instrumentingAgents->inspectorDOMAgent())
+        return domAgent->handleGestureEvent(frame, event);
+    return false;
+}
+
 bool InspectorController::handleMouseEvent(Frame* frame, const PlatformMouseEvent& event)
 {
     // Overlay should not consume events.