Drop pattern-related state from GraphicsContext(State)

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 2225a6129c15b6393aebf4ef4845bb9eb316a989..27f65d848911a124e957556ea967843a7bc0b6f6 100644
--- a/Source/platform/graphics/GraphicsContext.h
+++ b/Source/platform/graphics/GraphicsContext.h
@@ -111,9 +111,6 @@ public:
     Color strokeColor() const { return immutableState()->strokeColor(); }
     void setStrokeColor(const Color& color) { mutableState()->setStrokeColor(color); }
 
-    Pattern* strokePattern() const { return immutableState()->strokePattern(); }
-    void setStrokePattern(PassRefPtr<Pattern>, float alpha = 1);
-
     Gradient* strokeGradient() const { return immutableState()->strokeGradient(); }
     void setStrokeGradient(PassRefPtr<Gradient>, float alpha = 1);
 
@@ -125,8 +122,6 @@ public:
     Color fillColor() const { return immutableState()->fillColor(); }
     void setFillColor(const Color& color) { mutableState()->setFillColor(color); }
 
-    void setFillPattern(PassRefPtr<Pattern>, float alpha = 1);
-
     void setFillGradient(PassRefPtr<Gradient>, float alpha = 1);
 
     SkMatrix getTotalMatrix() const;