Simplify media controls CSS

Source/core/rendering/RenderThemeChromiumMac.mm

 /*
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Google, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 1935 matching lines @@
 bool RenderThemeChromiumMac::paintMediaMuteButton(RenderObject* object, const PaintInfo& paintInfo, const IntRect& rect)
 {
     return RenderMediaControlsChromium::paintMediaControlsPart(MediaMuteButton, object, paintInfo, rect);
 }
 
 bool RenderThemeChromiumMac::paintMediaSliderTrack(RenderObject* object, const PaintInfo& paintInfo, const IntRect& rect)
 {
     return RenderMediaControlsChromium::paintMediaControlsPart(MediaSlider, object, paintInfo, rect);
 }
 
-String RenderThemeChromiumMac::extraMediaControlsStyleSheet()
-{
-    return String(mediaControlsChromiumUserAgentStyleSheet, sizeof(mediaControlsChromiumUserAgentStyleSheet));
-}
-
 String RenderThemeChromiumMac::extraFullScreenStyleSheet()
 {
     // FIXME: Chromium may wish to style its default media controls differently in fullscreen.
     return String();
 }
 
 String RenderThemeChromiumMac::extraDefaultStyleSheet()
 {
     return RenderTheme::extraDefaultStyleSheet() +
            String(themeChromiumUserAgentStyleSheet, sizeof(themeChromiumUserAgentStyleSheet));
@@ skipping 41 matching lines @@
 
 bool RenderThemeChromiumMac::shouldUseFallbackTheme(RenderStyle* style) const
 {
     ControlPart part = style->appearance();
     if (part == CheckboxPart || part == RadioPart)
         return style->effectiveZoom() != 1;
     return false;
 }
 
 } // namespace WebCore