Make it possible to override the tickmarks for a WebFrame.

Source/web/WebFrameImpl.cpp

 /*
  * 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 1917 matching lines @@
             distanceInBestFrame = distanceInFrame;
         }
     }
 
     if (indexInBestFrame != -1)
         return bestFrame->selectFindMatch(static_cast<unsigned>(indexInBestFrame), selectionRect);
 
     return -1;
 }
 
+void WebFrameImpl::setTickmarks(const WebVector<WebRect>& tickmarks)
+{
+    if (frameView()) {
+        Vector<IntRect> tickmarksConverted(tickmarks.size());
+        for (size_t i = 0; i < tickmarks.size(); ++i)
+            tickmarksConverted[i] = tickmarks[i];
+        frameView()->setTickmarks(tickmarksConverted);
+        invalidateArea(InvalidateScrollbar);
+    }
+}
+
 int WebFrameImpl::nearestFindMatch(const FloatPoint& point, float& distanceSquared)
 {
     updateFindMatchRects();
 
     int nearest = -1;
     distanceSquared = FLT_MAX;
     for (size_t i = 0; i < m_findMatchesCache.size(); ++i) {
         ASSERT(!m_findMatchesCache[i].m_rect.isEmpty());
         FloatSize offset = point - m_findMatchesCache[i].m_rect.center();
         float width = offset.width();
@@ skipping 536 matching lines @@
 
         // There is a possibility that the frame being detached was the only
         // pending one. We need to make sure final replies can be sent.
         flushCurrentScopingEffort(m_findRequestIdentifier);
 
         cancelPendingScopingEffort();
     }
 }
 
 } // namespace blink