Initial error handling code

include/core/SkEmptyShader.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
 #ifndef SkEmptyShader_DEFINED
 #define SkEmptyShader_DEFINED
 
 #include "SkShader.h"
 
 /**
  *  \class SkEmptyShader
  *  A Shader that always draws nothing. Its setContext always returns false,
  *  so it never expects that its shadeSpan() methods will get called.
  */
 class SK_API SkEmptyShader : public SkShader {
+    typedef SkShader INHERITED;
+
 public:
     SkEmptyShader() {}
 
     virtual uint32_t getFlags() SK_OVERRIDE;
     virtual uint8_t getSpan16Alpha() const SK_OVERRIDE;
     virtual bool setContext(const SkBitmap&, const SkPaint&,
                             const SkMatrix&) SK_OVERRIDE;
     virtual void shadeSpan(int x, int y, SkPMColor span[], int count) SK_OVERRIDE;
     virtual void shadeSpan16(int x, int y, uint16_t span[], int count) SK_OVERRIDE;
     virtual void shadeSpanAlpha(int x, int y, uint8_t alpha[], int count) SK_OVERRIDE;
 
     SK_DEVELOPER_TO_STRING()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkEmptyShader)
 
 protected:
     SkEmptyShader(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}
-
-private:
-    typedef SkShader INHERITED;
 };
 
 #endif