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..d3381b4a118bdbe9aab00608197a0fcb036b05ae 100644
--- a/include/core/SkPathEffect.h
+++ b/include/core/SkPathEffect.h
@@ -28,6 +28,8 @@ class SkPath;
     Dashing is implemented as a subclass of SkPathEffect.
 */
 class SK_API SkPathEffect : public SkFlattenable {
+    typedef SkFlattenable INHERITED;
+
 public:
     SK_DECLARE_INST_COUNT(SkPathEffect)
 
@@ -106,6 +108,8 @@ public:
                           const SkStrokeRec&, const SkMatrix&,
                           const SkRect* cullR) const;
 
+    SK_DEFINE_FLATTENABLE_TYPE(SkPathEffect)
+
 protected:
     SkPathEffect(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}
 
@@ -113,8 +117,6 @@ private:
     // illegal
     SkPathEffect(const SkPathEffect&);
     SkPathEffect& operator=(const SkPathEffect&);
-
-    typedef SkFlattenable INHERITED;
 };
 
 /** \class SkPairPathEffect
@@ -124,6 +126,8 @@ private:
     for managing the lifetimes of its two arguments.
 */
 class SkPairPathEffect : public SkPathEffect {
+    typedef SkPathEffect INHERITED;
+
 public:
     SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1);
     virtual ~SkPairPathEffect();
@@ -134,9 +138,6 @@ protected:
 
     // these are visible to our subclasses
     SkPathEffect* fPE0, *fPE1;
-
-private:
-    typedef SkPathEffect INHERITED;
 };
 
 /** \class SkComposePathEffect
@@ -145,6 +146,8 @@ private:
     a compound pathEffect.
 */
 class SkComposePathEffect : public SkPairPathEffect {
+    typedef SkPairPathEffect INHERITED;
+
 public:
     /** Construct a pathEffect whose effect is to apply first the inner pathEffect
         and the the outer pathEffect (e.g. outer(inner(path)))
@@ -166,8 +169,6 @@ private:
     // illegal
     SkComposePathEffect(const SkComposePathEffect&);
     SkComposePathEffect& operator=(const SkComposePathEffect&);
-
-    typedef SkPairPathEffect INHERITED;
 };
 
 /** \class SkSumPathEffect
@@ -176,6 +177,8 @@ private:
     Its filterPath() returns true if either of the effects succeeded.
 */
 class SkSumPathEffect : public SkPairPathEffect {
+    typedef SkPairPathEffect INHERITED;
+
 public:
     /** Construct a pathEffect whose effect is to apply two effects, in sequence.
         (e.g. first(path) + second(path))
@@ -197,8 +200,6 @@ private:
     // illegal
     SkSumPathEffect(const SkSumPathEffect&);
     SkSumPathEffect& operator=(const SkSumPathEffect&);
-
-    typedef SkPairPathEffect INHERITED;
 };
 
 #endif