add Tickmarks to aura overlay scrollbar

third_party/WebKit/Source/platform/scroll/ScrollbarThemeAura.cpp

 /*
  * Copyright (c) 2008, 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 207 matching lines @@
     IntSize size = Platform::current()->themeEngine()->getSize(
         WebThemeEngine::PartScrollbarVerticalThumb);
     return size.height();
   }
 
   IntSize size = Platform::current()->themeEngine()->getSize(
       WebThemeEngine::PartScrollbarHorizontalThumb);
   return size.width();
 }
 
-void ScrollbarThemeAura::paintTickmarks(GraphicsContext& context,
-                                        const Scrollbar& scrollbar,
-                                        const IntRect& rect) {
+void ScrollbarThemeAura::paintAuraTickmarks(GraphicsContext& context,
+                                            const Scrollbar& scrollbar,
+                                            const IntRect& rect) {
   if (scrollbar.orientation() != VerticalScrollbar)
     return;
 
   if (rect.height() <= 0 || rect.width() <= 0)
     return;
 
   // Get the tickmarks for the frameview.
   Vector<IntRect> tickmarks;
   scrollbar.getTickmarks(tickmarks);
   if (!tickmarks.size())
@@ skipping 17 matching lines @@
     const int yPos = rect.y() + (rect.height() * percent);
 
     FloatRect tickRect(rect.x(), yPos, rect.width(), 3);
     context.fillRect(tickRect, Color(0xCC, 0xAA, 0x00, 0xFF));
 
     FloatRect tickStroke(rect.x(), yPos + 1, rect.width(), 1);
     context.fillRect(tickStroke, Color(0xFF, 0xDD, 0x00, 0xFF));
   }
 }
 
+void ScrollbarThemeAura::paintTickmarks(GraphicsContext& context,
+                                        const Scrollbar& scrollbar,
+                                        const IntRect& rect) {
+  ScrollbarThemeAura::paintAuraTickmarks(context, scrollbar, rect);
+}
+
 void ScrollbarThemeAura::paintTrackBackground(GraphicsContext& context,
                                               const Scrollbar& scrollbar,
                                               const IntRect& rect) {
   // Just assume a forward track part. We only paint the track as a single piece
   // when there is no thumb.
   if (!hasThumb(scrollbar) && !rect.isEmpty())
     paintTrackPiece(context, scrollbar, rect, ForwardTrackPart);
 }
 
 void ScrollbarThemeAura::paintTrackPiece(GraphicsContext& gc,
@@ skipping 114 matching lines @@
   }
 
   // HorizontalScrollbar
   int squareSize = scrollbar.height();
   return IntSize(
       scrollbar.width() < 2 * squareSize ? scrollbar.width() / 2 : squareSize,
       squareSize);
 }
 
 }  // namespace blink