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

Source/core/inspector/InspectorDOMAgent.h

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 42 matching lines @@
 class Element;
 class ExceptionState;
 class InspectorClient;
 class InspectorFrontend;
 class InspectorHistory;
 class InspectorOverlay;
 class InspectorPageAgent;
 class InspectorState;
 class InstrumentingAgents;
 class Node;
+class PlatformGestureEvent;
 class PlatformTouchEvent;
 class RevalidateStyleAttributeTask;
 class ShadowRoot;
 
 struct HighlightConfig;
 
 typedef String ErrorString;
 typedef int BackendNodeId;
 
 
@@ skipping 100 matching lines @@
     int pushNodeToFrontend(ErrorString*, int documentNodeId, Node*);
     Node* nodeForId(int nodeId);
     int boundNodeId(Node*);
     void setDOMListener(DOMListener*);
     BackendNodeId backendNodeIdForNode(Node*, const String& nodeGroup);
 
     static String documentURLString(Document*);
 
     PassRefPtr<TypeBuilder::Runtime::RemoteObject> resolveNode(Node*, const String& objectGroup);
     bool handleMousePress();
+    bool handleGestureEvent(Frame*, const PlatformGestureEvent&);
     bool handleTouchEvent(Frame*, const PlatformTouchEvent&);
     void handleMouseMove(Frame*, const PlatformMouseEvent&);
 
     InspectorHistory* history() { return m_history.get(); }
 
     // We represent embedded doms as a part of the same hierarchy. Hence we treat children of frame owners differently.
     // We also skip whitespace text nodes conditionally. Following methods encapsulate these specifics.
     static Node* innerFirstChild(Node*);
     static Node* innerNextSibling(Node*);
     static Node* innerPreviousSibling(Node*);
@@ skipping 70 matching lines @@
     OwnPtr<HighlightConfig> m_inspectModeHighlightConfig;
     OwnPtr<InspectorHistory> m_history;
     OwnPtr<DOMEditor> m_domEditor;
     bool m_suppressAttributeModifiedEvent;
 };
 
 
 } // namespace WebCore
 
 #endif // !defined(InspectorDOMAgent_h)