Initial error handling code

src/core/SkBitmapProcShader.h

Index: src/core/SkBitmapProcShader.h
diff --git a/src/core/SkBitmapProcShader.h b/src/core/SkBitmapProcShader.h
index 5a599c3b924d754451c96cc866345a975b78ae4e..57ba3ceff41d3bd9ee83dba1442624d1f5e6c078 100644
--- a/src/core/SkBitmapProcShader.h
+++ b/src/core/SkBitmapProcShader.h
@@ -14,6 +14,8 @@
 #include "SkBitmapProcState.h"
 
 class SkBitmapProcShader : public SkShader {
+    typedef SkShader INHERITED;
+
 public:
     SkBitmapProcShader(const SkBitmap& src, TileMode tx, TileMode ty);
 
@@ -43,9 +45,6 @@ protected:
     SkBitmap          fRawBitmap;   // experimental for RLE encoding
     SkBitmapProcState fState;
     uint32_t          fFlags;
-
-private:
-    typedef SkShader INHERITED;
 };
 
 #endif