hack

include/core/SkDevice.h

Index: include/core/SkDevice.h
===================================================================
--- include/core/SkDevice.h	(revision 14079)
+++ include/core/SkDevice.h	(working copy)
@@ -375,6 +375,12 @@
 
     /**
      *  PRIVATE / EXPERIMENTAL -- do not call
+     *  Purge all discardable optimization information
+     */
+    virtual void EXPERIMENTAL_purge();
+
+    /**
+     *  PRIVATE / EXPERIMENTAL -- do not call
      *  This entry point gives the backend an opportunity to take over the rendering
      *  of 'picture'. If optimization data is available (due to an earlier
      *  'optimize' call) this entry point should make use of it and return true
@@ -383,7 +389,7 @@
      *  to perform some device-specific warm up tasks and then let SkCanvas
      *  perform the main rendering loop (by return false from here).
      */
-    virtual bool EXPERIMENTAL_drawPicture(SkPicture* picture);
+    virtual bool EXPERIMENTAL_drawPicture(SkCanvas* canvas, SkPicture* picture);
 
 private:
     friend class SkCanvas;