commit to xfermode objects being immutable

include/core/SkXfermode.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkXfermode_DEFINED
@@ skipping 219 matching lines @@
 
         This method will not be called directly by the client, so it need not
         be implemented if your subclass has overridden xfer32/xfer16/xferA8
     */
     virtual SkPMColor xferColor(SkPMColor src, SkPMColor dst) const;
 
 private:
     enum {
         kModeCount = kLastMode + 1
     };
+
+    friend class SkGraphics;
+    static void Term();
+
     typedef SkFlattenable INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 /** \class SkProcXfermode
 
     SkProcXfermode is a xfermode that applies the specified proc to its colors.
     This class is not exported to java.
 */
@@ skipping 21 matching lines @@
         fProc = proc;
     }
 
 private:
     SkXfermodeProc  fProc;
 
     typedef SkXfermode INHERITED;
 };
 
 #endif