Fix tests to avoid page scale reset when setting page scale.

Source/testing/runner/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 68 matching lines @@
     void mouseUp(const CppArgumentList&, CppVariant*);
     void mouseMoveTo(const CppArgumentList&, CppVariant*);
     void leapForward(const CppArgumentList&, CppVariant*);
     void keyDown(const CppArgumentList&, CppVariant*);
     void dispatchMessage(const CppArgumentList&, CppVariant*);
     // FIXME: These aren't really events. They should be moved to layout controller.
     void textZoomIn(const CppArgumentList&, CppVariant*);
     void textZoomOut(const CppArgumentList&, CppVariant*);
     void zoomPageIn(const CppArgumentList&, CppVariant*);
     void zoomPageOut(const CppArgumentList&, CppVariant*);
-    void scalePageBy(const CppArgumentList&, CppVariant*);
+    void setPageScaleFactor(const CppArgumentList&, CppVariant*);
 
     void mouseDragBegin(const CppArgumentList&, CppVariant*);
     void mouseScrollBy(const CppArgumentList&, CppVariant*);
     void continuousMouseScrollBy(const CppArgumentList&, CppVariant*);
     void scheduleAsynchronousClick(const CppArgumentList&, CppVariant*);
     void scheduleAsynchronousKeyDown(const CppArgumentList&, CppVariant*);
     void beginDragWithFiles(const CppArgumentList&, CppVariant*);
     CppVariant dragMode;
 
     void addTouchPoint(const CppArgumentList&, CppVariant*);
@@ skipping 98 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