Make SVG painting independent of GraphicsContext's alpha state

Source/core/paint/SVGRootInlineBoxPainter.cpp

Index: Source/core/paint/SVGRootInlineBoxPainter.cpp
diff --git a/Source/core/paint/SVGRootInlineBoxPainter.cpp b/Source/core/paint/SVGRootInlineBoxPainter.cpp
index 584282135bf94c0269e6d899694c58bc125907d9..3890f09a94c3ec21faaf2186431af79087082c59 100644
--- a/Source/core/paint/SVGRootInlineBoxPainter.cpp
+++ b/Source/core/paint/SVGRootInlineBoxPainter.cpp
@@ -13,7 +13,6 @@
 #include "core/rendering/svg/SVGInlineTextBox.h"
 #include "core/rendering/svg/SVGRenderingContext.h"
 #include "core/rendering/svg/SVGRootInlineBox.h"
-#include "platform/graphics/GraphicsContextStateSaver.h"
 
 namespace blink {
 
@@ -37,10 +36,6 @@ void SVGRootInlineBoxPainter::paint(const PaintInfo& paintInfo, const LayoutPoin
         }
     }
 
-    // FIXME: Remove this state saver when SVGRenderSupport::updateGraphicsContext
-    // no longer affects the global alpha state. See crbug.com/453225
-    GraphicsContextStateSaver stateSaver(*paintInfoBeforeFiltering.context);
-
     SVGRenderingContext renderingContext(m_svgRootInlineBox.renderer(), paintInfoBeforeFiltering);
     if (renderingContext.applyClipMaskAndFilterIfNecessary()) {
         for (InlineBox* child = m_svgRootInlineBox.firstChild(); child; child = child->nextOnLine())