Factory methods for heap-allocated SkAnnotation objects.

include/core/SkAnnotation.h

Index: include/core/SkAnnotation.h
diff --git a/include/core/SkAnnotation.h b/include/core/SkAnnotation.h
index 872bb941a5dc9a490d88c80e1c40e1d64dc220e7..d7b9b84529d3524222331337e6862024b39a266d 100644
--- a/include/core/SkAnnotation.h
+++ b/include/core/SkAnnotation.h
@@ -24,18 +24,27 @@ struct SkPoint;
  */
 class SkAnnotation : public SkRefCnt {
 public:
-    SkAnnotation(const char key[], SkData* value);
     virtual ~SkAnnotation();
 
+    static SkAnnotation* Create(const char key[], SkData* value) {
+        return SkNEW_ARGS(SkAnnotation, (key, value));
+    }
+
+    static SkAnnotation* Create(SkReadBuffer& buffer) {
+        return SkNEW_ARGS(SkAnnotation, (buffer));
+    }
+
     /**
      *  Return the data for the specified key, or NULL.
      */
     SkData* find(const char key[]) const;
 
-    SkAnnotation(SkReadBuffer&);
     void writeToBuffer(SkWriteBuffer&) const;
 
 private:
+    SkAnnotation(const char key[], SkData* value);
+    SkAnnotation(SkReadBuffer&);
+
     SkString    fKey;
     SkData*     fData;