Compact the clipstack for kReplace_Op'd geometry

include/core/SkClipStack.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkClipStack_DEFINED
 #define SkClipStack_DEFINED
 
@@ skipping 435 matching lines @@
 
         friend bool operator==(const ClipCallbackData& a,
                                const ClipCallbackData& b) {
             return a.fCallback == b.fCallback && a.fData == b.fData;
         }
     };
 
     mutable SkTDArray<ClipCallbackData> fCallbackData;
 
     /**
+     * Restore the stack back to the specified save count.
+     */
+    void restoreTo(int saveCount);
+
+    /**
      * Invoke all the purge callbacks passing in element's generation ID.
      */
     void purgeClip(Element* element);
 
     /**
      * Return the next unique generation ID.
      */
     static int32_t GetNextGenID();
 };
 
 #endif