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

Source/core/inspector/InspectorOverlay.h

 /*
  * 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 31 matching lines @@
 namespace WebCore {
 
 class Color;
 class EmptyChromeClient;
 class GraphicsContext;
 class InspectorClient;
 class InspectorOverlayHost;
 class JSONValue;
 class Node;
 class Page;
+class PlatformGestureEvent;
 class PlatformMouseEvent;
 class PlatformTouchEvent;
 
 struct HighlightConfig {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     Color content;
     Color contentOutline;
     Color padding;
     Color border;
@@ skipping 57 matching lines @@
         return adoptPtr(new InspectorOverlay(page, client));
     }
     ~InspectorOverlay();
 
     void update();
     void hide();
     void paint(GraphicsContext&);
     void drawOutline(GraphicsContext*, const LayoutRect&, const Color&);
     void getHighlight(Highlight*) const;
     void resize(const IntSize&);
+    bool handleGestureEvent(const PlatformGestureEvent&);
     bool handleMouseEvent(const PlatformMouseEvent&);
     bool handleTouchEvent(const PlatformTouchEvent&);
 
     void setPausedInDebuggerMessage(const String*);
     void setInspectModeEnabled(bool);
     void setOverride(OverrideType, bool);
     void setOverridesTopOffset(int);
 
     void hideHighlight();
     void highlightNode(Node*, Node* eventTarget, const HighlightConfig&);
@@ skipping 43 matching lines @@
     bool m_drawViewSizeWithGrid;
     Timer<InspectorOverlay> m_timer;
     unsigned m_overrides;
     int m_overridesTopOffset;
 };
 
 } // namespace WebCore
 
 
 #endif // InspectorOverlay_h