add SkSurface::NewRasterDirectReleaseProc

include/core/SkSurface.h

Index: include/core/SkSurface.h
diff --git a/include/core/SkSurface.h b/include/core/SkSurface.h
index d049d8c04091af757d948bbb6aed397f9702feb6..68d4702cb51d6f9bfdf8b73d01e1f2d5d3221094 100644
--- a/include/core/SkSurface.h
+++ b/include/core/SkSurface.h
@@ -38,6 +38,14 @@ public:
     static SkSurface* NewRasterDirect(const SkImageInfo&, void* pixels, size_t rowBytes);
 
     /**
+     *  The same as NewRasterDirect, but also accepts a call-back routine, which is invoked
+     *  when the surface is deleted, and is passed the pixel memory and the specified context.
+     */
+    static SkSurface* NewRasterDirectReleaseProc(const SkImageInfo&, void* pixels, size_t rowBytes,
+                                                 void (*releaseProc)(void* pixels, void* context),
+                                                 void* context);
+
+    /**
      *  Return a new surface, with the memory for the pixels automatically
      *  allocated.
      *