Don't force layout for mouse event hit tests

Tools/DumpRenderTree/chromium/TestRunner/src/EventSender.h

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 104 matching lines @@
     void gestureScrollUpdate(const CppArgumentList&, CppVariant*);
     void gestureScrollUpdateWithoutPropagation(const CppArgumentList&, CppVariant*);
     void gestureTap(const CppArgumentList&, CppVariant*);
     void gestureTapDown(const CppArgumentList&, CppVariant*);
     void gestureTapCancel(const CppArgumentList&, CppVariant*);
     void gestureLongPress(const CppArgumentList&, CppVariant*);
     void gestureLongTap(const CppArgumentList&, CppVariant*);
     void gestureTwoFingerTap(const CppArgumentList&, CppVariant*);
     void gestureEvent(WebKit::WebInputEvent::Type, const CppArgumentList&);
 
+    // Setting this to false makes EventSender not force layout() calls.
+    // This makes it possible to test the standard WebCore event dispatch.
+    CppVariant forceLayoutOnEvents;
+
     // Unimplemented stubs
     void enableDOMUIEventLogging(const CppArgumentList&, CppVariant*);
     void fireKeyboardEventsToElement(const CppArgumentList&, CppVariant*);
     void clearKillRing(const CppArgumentList&, CppVariant*);
 
     // Properties used in layout tests.
 #if defined(OS_WIN)
     CppVariant wmKeyDown;
     CppVariant wmKeyUp;
     CppVariant wmChar;
     CppVariant wmDeadChar;
     CppVariant wmSysKeyDown;
     CppVariant wmSysKeyUp;
     CppVariant wmSysChar;
     CppVariant wmSysDeadChar;
 #endif
 
     WebTaskList* taskList() { return &m_taskList; }
 
 private:
     WebKit::WebView* webview() { return m_webView; }
 
     // Returns true if dragMode is true.
     bool isDragMode() { return dragMode.isBool() && dragMode.toBoolean(); }
 
+    bool shouldForceLayoutOnEvents() const { return forceLayoutOnEvents.isBool() && forceLayoutOnEvents.toBoolean(); }
+
     // Sometimes we queue up mouse move and mouse up events for drag drop
     // handling purposes. These methods dispatch the event.
     void doMouseMove(const WebKit::WebMouseEvent&);
     void doMouseUp(const WebKit::WebMouseEvent&);
     static void doLeapForward(int milliseconds);
     void replaySavedEvents();
 
     // Helper to return the button type given a button code
     static WebKit::WebMouseEvent::Button getButtonTypeFromButtonNumber(int);
 
@@ skipping 32 matching lines @@
 
     // The last button number passed to mouseDown and mouseUp.
     // Used to determine whether the click count continues to
     // increment or not.
     static WebKit::WebMouseEvent::Button lastButtonType;
 };
 
 }
 
 #endif // EventSender_h