Aura overlay scrollbars adjust color for dark backgrounds

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 2041 matching lines @@
   m_baseBackgroundColor = backgroundColor;
 
   if (!layoutViewItem().isNull() &&
       layoutViewItem().layer()->hasCompositedLayerMapping()) {
     CompositedLayerMapping* compositedLayerMapping =
         layoutViewItem().layer()->compositedLayerMapping();
     compositedLayerMapping->updateContentsOpaque();
     if (compositedLayerMapping->mainGraphicsLayer())
       compositedLayerMapping->mainGraphicsLayer()->setNeedsDisplay();
   }
-  recalculateScrollbarOverlayStyle(documentBackgroundColor());
+  recalculateScrollbarOverlayColorTheme(documentBackgroundColor());
 
   if (!shouldThrottleRendering())
     page()->animator().scheduleVisualUpdate(m_frame.get());
 }
 
 void FrameView::updateBackgroundRecursively(const Color& backgroundColor,
                                             bool transparent) {
   forAllNonThrottledFrameViews(
       [backgroundColor, transparent](FrameView& frameView) {
         frameView.setTransparent(transparent);
@@ skipping 2416 matching lines @@
   DCHECK(m_frame->isMainFrame());
   return m_initialViewportSize.width();
 }
 
 int FrameView::initialViewportHeight() const {
   DCHECK(m_frame->isMainFrame());
   return m_initialViewportSize.height();
 }
 
 }  // namespace blink