Make SVG painting independent of GraphicsContext's alpha state

Source/core/paint/SVGShapePainter.cpp

Index: Source/core/paint/SVGShapePainter.cpp
diff --git a/Source/core/paint/SVGShapePainter.cpp b/Source/core/paint/SVGShapePainter.cpp
index 378079af237ff43d00846f4bcf00729e16fc4dd3..afcb033f27ea2048a842d4f08c84fc24e90bd9d3 100644
--- a/Source/core/paint/SVGShapePainter.cpp
+++ b/Source/core/paint/SVGShapePainter.cpp
@@ -55,10 +55,6 @@ void SVGShapePainter::paint(const PaintInfo& paintInfo)
     PaintInfo paintInfoBeforeFiltering(paintInfo);
     FloatRect boundingBox = m_renderSVGShape.paintInvalidationRectInLocalCoordinates();
 
-    // FIXME: Remove this state saver when SVGRenderSupport::updateGraphicsContext
-    // no longer affects the global alpha state. See crbug.com/453225
-    GraphicsContextStateSaver stateSaver(*paintInfoBeforeFiltering.context);
-
     TransformRecorder transformRecorder(*paintInfoBeforeFiltering.context, m_renderSVGShape.displayItemClient(), m_renderSVGShape.localTransform());
     {
         SVGRenderingContext renderingContext(m_renderSVGShape, paintInfoBeforeFiltering);