Revert 156733 "Refactoring DrawLooper so that it can apply shado..."

trunk/Source/core/platform/graphics/GraphicsContext.h

Index: trunk/Source/core/platform/graphics/GraphicsContext.h
===================================================================
--- trunk/Source/core/platform/graphics/GraphicsContext.h	(revision 156736)
+++ trunk/Source/core/platform/graphics/GraphicsContext.h	(working copy)
@@ -129,7 +129,7 @@
     void setFillGradient(PassRefPtr<Gradient>);
     Gradient* fillGradient() const { return m_state->m_fillGradient.get(); }
 
-    DrawLooper* drawLooper() const { return m_state->m_looper.get(); }
+    SkDrawLooper* drawLooper() const { return m_state->m_looper.get(); }
     SkColor effectiveStrokeColor() const { return m_state->applyAlpha(m_state->m_strokeData.color().rgb()); }
 
     int getNormalizedAlpha() const;
@@ -304,7 +304,7 @@
 
     // It is assumed that this draw looper is used only for shadows
     // (i.e. a draw looper is set if and only if there is a shadow).
-    void setDrawLooper(PassRefPtr<DrawLooper>);
+    void setDrawLooper(const DrawLooper&);
     void clearDrawLooper();
 
     void drawFocusRing(const Vector<IntRect>&, int width, int offset, const Color&);