Replace GraphicsContext::setupPaintFor* with const getters.

Source/platform/graphics/GraphicsContext.h

Index: Source/platform/graphics/GraphicsContext.h
diff --git a/Source/platform/graphics/GraphicsContext.h b/Source/platform/graphics/GraphicsContext.h
index a0a0572a6baabdaf253d9f0bebfed763e9df81d1..768d86ee9e383af4110b1ab5e2e11e440292a570 100644
--- a/Source/platform/graphics/GraphicsContext.h
+++ b/Source/platform/graphics/GraphicsContext.h
@@ -239,11 +239,11 @@ public:
     // Get the contents of the image buffer
     bool readPixels(const SkImageInfo&, void* pixels, size_t rowBytes, int x, int y);
 
-    // Sets up the paint for the current fill style.
-    void setupPaintForFilling(SkPaint*) const;
+    // Get the current fill style.
+    const SkPaint& fillPaint() const { return immutableState()->fillPaint(); }
 
-    // Sets up the paint for the current stroke style.
-    void setupPaintForStroking(SkPaint*) const;
+    // Get the current stroke style.
+    const SkPaint& strokePaint() const { return immutableState()->strokePaint(); }
 
     // These draw methods will do both stroking and filling.
     // FIXME: ...except drawRect(), which fills properly but always strokes
@@ -454,9 +454,6 @@ private:
 
     void concat(const SkMatrix&);
 
-    // common code between setupPaintFor[Filling,Stroking]
-    void setupShader(SkPaint*, Gradient*, Pattern*, SkColor) const;
-
     // Apply deferred paint state saves
     void realizePaintSave()
     {