add Tickmarks to aura overlay scrollbar

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

Index: third_party/WebKit/Source/platform/scroll/ScrollbarThemeAura.cpp
diff --git a/third_party/WebKit/Source/platform/scroll/ScrollbarThemeAura.cpp b/third_party/WebKit/Source/platform/scroll/ScrollbarThemeAura.cpp
index 313a21e6f2ff071a450f4e00f4daf53da268e679..ce7f749a4d760737b9a7f0b6cb4f14efbc2aa099 100644
--- a/third_party/WebKit/Source/platform/scroll/ScrollbarThemeAura.cpp
+++ b/third_party/WebKit/Source/platform/scroll/ScrollbarThemeAura.cpp
@@ -34,7 +34,6 @@
 #include "platform/PlatformMouseEvent.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/graphics/GraphicsContext.h"
-#include "platform/graphics/GraphicsContextStateSaver.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "platform/scroll/Scrollbar.h"
@@ -225,46 +224,6 @@ int ScrollbarThemeAura::minimumThumbLength(
   return size.width();
 }
 
-void ScrollbarThemeAura::paintTickmarks(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())
-    return;
-
-  if (DrawingRecorder::useCachedDrawingIfPossible(
-          context, scrollbar, DisplayItem::kScrollbarTickmarks))
-    return;
-
-  DrawingRecorder recorder(context, scrollbar, DisplayItem::kScrollbarTickmarks,
-                           rect);
-  GraphicsContextStateSaver stateSaver(context);
-  context.setShouldAntialias(false);
-
-  for (Vector<IntRect>::const_iterator i = tickmarks.begin();
-       i != tickmarks.end(); ++i) {
-    // Calculate how far down (in %) the tick-mark should appear.
-    const float percent = static_cast<float>(i->y()) / scrollbar.totalSize();
-
-    // Calculate how far down (in pixels) the tick-mark should appear.
-    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::paintTrackBackground(GraphicsContext& context,
                                               const Scrollbar& scrollbar,
                                               const IntRect& rect) {