Maintain SkPaint in GraphicsContextState.

Source/core/rendering/svg/RenderSVGResourcePattern.cpp

Index: Source/core/rendering/svg/RenderSVGResourcePattern.cpp
diff --git a/Source/core/rendering/svg/RenderSVGResourcePattern.cpp b/Source/core/rendering/svg/RenderSVGResourcePattern.cpp
index fa9d6969fc8c7747071092a88cad6ca52b0cab19..d6f93ef0fb7736ee55b0c9e6d5c33a4e1411b08a 100644
--- a/Source/core/rendering/svg/RenderSVGResourcePattern.cpp
+++ b/Source/core/rendering/svg/RenderSVGResourcePattern.cpp
@@ -158,13 +158,13 @@ bool RenderSVGResourcePattern::applyResource(RenderObject* object, RenderStyle*
     ASSERT(svgStyle);
 
     if (resourceMode & ApplyToFillMode) {
-        context->setAlpha(svgStyle->fillOpacity());
+        context->setAlphaAsFloat(svgStyle->fillOpacity());
         context->setFillPattern(patternData->pattern);
         context->setFillRule(svgStyle->fillRule());
     } else if (resourceMode & ApplyToStrokeMode) {
         if (svgStyle->vectorEffect() == VE_NON_SCALING_STROKE)
             patternData->pattern->setPatternSpaceTransform(transformOnNonScalingStroke(object, patternData->transform));
-        context->setAlpha(svgStyle->strokeOpacity());
+        context->setAlphaAsFloat(svgStyle->strokeOpacity());
         context->setStrokePattern(patternData->pattern);
         SVGRenderSupport::applyStrokeStyleToContext(context, style, object);
     }