Initial error handling code

include/core/SkEmptyShader.h

Index: include/core/SkEmptyShader.h
diff --git a/include/core/SkEmptyShader.h b/include/core/SkEmptyShader.h
index 08c131db1bc18b9fca53da6b892318e8a186f355..3fe994afcfc7f323783a3630c97f59a662f06a6f 100644
--- a/include/core/SkEmptyShader.h
+++ b/include/core/SkEmptyShader.h
@@ -19,6 +19,8 @@
  *  so it never expects that its shadeSpan() methods will get called.
  */
 class SK_API SkEmptyShader : public SkShader {
+    typedef SkShader INHERITED;
+
 public:
     SkEmptyShader() {}
 
@@ -35,9 +37,6 @@ public:
 
 protected:
     SkEmptyShader(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}
-
-private:
-    typedef SkShader INHERITED;
 };
 
 #endif