Move common GC state update code out of paint-server application

Source/core/rendering/svg/SVGRenderSupport.h

Index: Source/core/rendering/svg/SVGRenderSupport.h
diff --git a/Source/core/rendering/svg/SVGRenderSupport.h b/Source/core/rendering/svg/SVGRenderSupport.h
index 7419f4a7fc36e44992afe18d2c1b15cc0a2f0083..c444e628cf74c6ec296cf0981a5228d58901f763 100644
--- a/Source/core/rendering/svg/SVGRenderSupport.h
+++ b/Source/core/rendering/svg/SVGRenderSupport.h
@@ -87,6 +87,9 @@ public:
     // Fill and/or stroke the provided |path|.
     static void fillOrStrokePath(GraphicsContext*, unsigned short resourceMode, const Path&);
 
+    // Transfer fill/stroke style (except paint server) to the GC.
+    static void updateGraphicsContext(GraphicsContext*, const RenderStyle*, const RenderObject&, unsigned resourceModeFlags);

[pdr., 2014/10/07 02:57:48]

This seems like a better fit as a protected member on RenderSVGResource.

[fs, 2014/10/07 12:34:20]

I can move it there in the interim, but longer term I think a better resting
place will be somewhere in core/paint/. I had a hope that this function would
even disintegrate (in most callsites it's known what resourceMode is after all),
but am not there yet (RenderingClipPathAsMask is one wrench that complicates
things).

+
     // Determines if any ancestor's transform has changed.
     static bool transformToRootChanged(RenderObject*);