Initial error handling code

include/core/SkPathEffect.h

Index: include/core/SkPathEffect.h
diff --git a/include/core/SkPathEffect.h b/include/core/SkPathEffect.h
index 3b4541de5681944c870d7c5594ee7c3f2fb5060c..68536d297529856a0afc49ed8120f16e793a6ec9 100644
--- a/include/core/SkPathEffect.h
+++ b/include/core/SkPathEffect.h
@@ -106,6 +106,8 @@ public:
                           const SkStrokeRec&, const SkMatrix&,
                           const SkRect* cullR) const;
 
+    SK_DEFINE_FLATTENABLE_TYPE_CHECKING_PROCS(SkPathEffect)
+
 protected:
     SkPathEffect(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}
 
@@ -128,6 +130,8 @@ public:
     SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1);
     virtual ~SkPairPathEffect();
 
+    SK_DEFINE_FLATTENABLE_TYPE_CHECKING_PROCS(SkPairPathEffect)
+
 protected:
     SkPairPathEffect(SkFlattenableReadBuffer&);
     virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
@@ -157,7 +161,7 @@ public:
     virtual bool filterPath(SkPath* dst, const SkPath& src,
                             SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
 
-    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposePathEffect)
+    SK_DEFINE_FLATTENABLE_DESERIALIZATION_PROCS(SkComposePathEffect)
 
 protected:
     SkComposePathEffect(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}
@@ -188,7 +192,7 @@ public:
     virtual bool filterPath(SkPath* dst, const SkPath& src,
                             SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
 
-    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkSumPathEffect)
+    SK_DEFINE_FLATTENABLE_DESERIALIZATION_PROCS(SkSumPathEffect)
 
 protected:
     SkSumPathEffect(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}