make transformed rrect radii fit rectangle

include/core/SkRRect.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkRRect_DEFINED
 #define SkRRect_DEFINED
 
@@ skipping 308 matching lines @@
     SkRect fRect;
     // Radii order is UL, UR, LR, LL. Use Corner enum to index into fRadii[]
     SkVector fRadii[4];
     // use an explicitly sized type so we're sure the class is dense (no uninitialized bytes)
     int32_t fType;
     // TODO: add padding so we can use memcpy for flattening and not copy
     // uninitialized data
 
     void computeType();
     bool checkCornerContainment(SkScalar x, SkScalar y) const;
+    void scaleRadii();
 
     // to access fRadii directly
     friend class SkPath;
 };
 
 #endif