Make SVG painting independent of GraphicsContext's alpha state

Source/core/rendering/svg/RenderSVGResourcePaintServer.h

 /*
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 29 matching lines @@
 
 class SVGPaintServer {
 public:
     explicit SVGPaintServer(Color);
     explicit SVGPaintServer(PassRefPtr<Gradient>);
     explicit SVGPaintServer(PassRefPtr<Pattern>);
 
     static SVGPaintServer requestForRenderer(const RenderObject&, const RenderStyle&, RenderSVGResourceMode);
     static bool existsForRenderer(const RenderObject&, const RenderStyle&, RenderSVGResourceMode);
 
-    void apply(GraphicsContext&, RenderSVGResourceMode, GraphicsContextStateSaver* = 0);
+    void apply(GraphicsContext&, RenderSVGResourceMode, float paintAlpha, GraphicsContextStateSaver&);
 
     static SVGPaintServer invalid() { return SVGPaintServer(Color(Color::transparent)); }
     bool isValid() const { return m_color != Color::transparent; }
 
     bool isTransformDependent() const { return m_gradient || m_pattern; }
     void prependTransform(const AffineTransform&);
 
 private:
     RefPtr<Gradient> m_gradient;
     RefPtr<Pattern> m_pattern;
@@ skipping 22 matching lines @@
 
     // Helper utilities used in to access the underlying resources for DRT.
     static SVGPaintDescription requestPaintDescription(const RenderObject&, const RenderStyle&, RenderSVGResourceMode);
 };
 
 DEFINE_TYPE_CASTS(RenderSVGResourcePaintServer, RenderSVGResourceContainer, resource, resource->isSVGPaintServer(), resource.isSVGPaintServer());
 
 }
 
 #endif