Initial error handling code

include/core/SkColorFilter.h

Index: include/core/SkColorFilter.h
diff --git a/include/core/SkColorFilter.h b/include/core/SkColorFilter.h
index 46ecedc6dfc5836dfe18097c47112e64a9277922..30476c7aea83bfc569b1d904d25f8866af98be88 100644
--- a/include/core/SkColorFilter.h
+++ b/include/core/SkColorFilter.h
@@ -131,6 +131,8 @@ public:
     SkDEVCODE(virtual void toString(SkString* str) const = 0;)
 
     SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP()
+    SK_DEFINE_FLATTENABLE_EFFECT_TYPE(ColorFilter)

[mtklein, 2013/10/16 18:54:09]

I started a little confused that these don't quite match the class names, e.g.
SK_DEFINE_FLATTENABLE_EFFECT_TYPE(SkColorFilter).  I don't think this matters
much, but it'd probably be less jarring with the Sk?

[sugoi1, 2013/10/16 20:07:41]

There's no Sk in the enum, but I'll add it.

+
 protected:
     SkColorFilter() {}
     SkColorFilter(SkFlattenableReadBuffer& rb) : INHERITED(rb) {}