Make it possible to override the tickmarks for a WebFrame.

Source/web/WebFrameImpl.h

 /*
  * Copyright (C) 2009 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 193 matching lines @@
     virtual void scopeStringMatches(
         int identifier, const WebString& searchText, const WebFindOptions&,
         bool reset) OVERRIDE;
     virtual void cancelPendingScopingEffort() OVERRIDE;
     virtual void increaseMatchCount(int count, int identifier) OVERRIDE;
     virtual void resetMatchCount() OVERRIDE;
     virtual int findMatchMarkersVersion() const OVERRIDE;
     virtual WebFloatRect activeFindMatchRect() OVERRIDE;
     virtual void findMatchRects(WebVector<WebFloatRect>&) OVERRIDE;
     virtual int selectNearestFindMatch(const WebFloatPoint&, WebRect* selectionRect) OVERRIDE;
+    virtual void setTickmarks(const WebVector<WebRect>&) OVERRIDE;
 
     virtual void sendOrientationChangeEvent(int orientation) OVERRIDE;
 
     virtual void dispatchMessageEventWithOriginCheck(
         const WebSecurityOrigin& intendedTargetOrigin,
         const WebDOMEvent&) OVERRIDE;
 
     virtual WebString contentAsText(size_t maxChars) const OVERRIDE;
     virtual WebString contentAsMarkup() const OVERRIDE;
     virtual WebString renderTreeAsText(RenderAsTextControls toShow = RenderAsTextNormal) const OVERRIDE;
@@ skipping 285 matching lines @@
     // Stores the additional input events offset and scale when device metrics emulation is enabled.
     WebCore::IntSize m_inputEventsOffsetForEmulation;
     float m_inputEventsScaleFactorForEmulation;
 };
 
 DEFINE_TYPE_CASTS(WebFrameImpl, WebFrame, frame, true, true);
 
 } // namespace blink
 
 #endif