Maintain SkPaint in GraphicsContextState.

Source/platform/graphics/StrokeData.h

Index: Source/platform/graphics/StrokeData.h
diff --git a/Source/platform/graphics/StrokeData.h b/Source/platform/graphics/StrokeData.h
index 177012d599924bc7b96526f723afb80fa49ec984..57c1799328222b5beed7636da9c8a42d992e0dee 100644
--- a/Source/platform/graphics/StrokeData.h
+++ b/Source/platform/graphics/StrokeData.h
@@ -84,11 +84,15 @@ public:
     void setLineDash(const DashArray&, const float);
 
     // Sets everything on the paint except the pattern, gradient and color.
-    // GraphicsContext::setupShader does that. Returns a float representing the
-    // effective width of the pen. If a non-zero length is provided, the
+    // GraphicsContext::setupShader does that. If a non-zero length is provided, the
     // number of dashes/dots on a dashed/dotted line will be adjusted to
     // start and end that length with a dash/dot.
-    float setupPaint(SkPaint*, int length = 0) const;
+    void setupPaint(SkPaint*, int length = 0) const;
+
+    // Setup any DashPathEffect on the paint. If a non-zero length is provided,
+    // and no line dash has been set, the number of dashes/dots on a dashed/dotted
+    // line will be adjusted to start and end that length with a dash/dot.
+    void setupPaintDashPathEffect(SkPaint*, int) const;
 
 private:
     StrokeStyle m_style;