Initial error handling code

include/effects/SkLayerDrawLooper.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 SkLayerDrawLooper_DEFINED
 #define SkLayerDrawLooper_DEFINED
 
 #include "SkDrawLooper.h"
 #include "SkPaint.h"
 #include "SkPoint.h"
 #include "SkXfermode.h"
 
 class SK_API SkLayerDrawLooper : public SkDrawLooper {
+    typedef SkDrawLooper INHERITED;
+
 public:
     SK_DECLARE_INST_COUNT(SkLayerDrawLooper)
 
             SkLayerDrawLooper();
     virtual ~SkLayerDrawLooper();
 
     /**
      *  Bits specifies which aspects of the layer's paint should replace the
      *  corresponding aspects on the draw's paint.
      *  kEntirePaint_Bits means use the layer's paint completely.
@@ skipping 98 matching lines @@
 
     // state-machine during the init/next cycle
     Rec* fCurrRec;
 
     static void ApplyInfo(SkPaint* dst, const SkPaint& src, const LayerInfo&);
 
     class MyRegistrar : public SkFlattenable::Registrar {
     public:
         MyRegistrar();
     };
-
-    typedef SkDrawLooper INHERITED;
 };
 
 #endif