remove obsolete header

git-svn-id: http://skia.googlecode.com/svn/trunk@544 2bbb7eff-a529-9590-31e7-b0007b416f81

include/core/SkDrawing.h

@@ -1,54 +0,0 @@
-#ifndef SkDrawable_DEFINED
-#define SkDrawable_DEFINED
-
-#include "SkFlattenable.h"
-#include "SkMatrix.h"
-
-class SkCanvas;
-struct SkRect;
-
-class SkDrawable : public SkFlattenable {
-public:
-            SkDrawable();
-    virtual ~SkDrawable();
-
-    void getMatrix(SkMatrix*) const;
-    void setMatrix(const SkMatrix&);
-    void resetMatrix();
-        
-    void draw(SkCanvas*);
-    
-    void inval() {}
-
-    SkDrawable* attachChildToFront(SkDrawable* child);
-    SkDrawable* attachChildToBack(SkDrawable* child);
-
-    SkDrawable* getParent() const { return fParent; }
-    void detachFromParent();
-    void detachAllChildren();
-
-    class B2FIter {
-    public:
-        B2FIter(const SkDrawable* parent);
-        SkDrawable* next();
-    private:
-        SkDrawable* fFirstChild;
-        SkDrawable* fChild;
-    };
-    
-protected:
-    virtual void onDraw(SkCanvas*) {}
-    
-private:
-    SkMatrix    fMatrix;
-
-    SkDrawable* fParent;
-    SkDrawable* fFirstChild;
-    SkDrawable* fNextSibling;
-    SkDrawable* fPrevSibling;
-
-    typedef SkFlattenable INHERITED;
-};
-
-#endif
-