Take budgeted param when snapping new image.

include/core/SkSurface.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 SkSurface_DEFINED
 #define SkSurface_DEFINED
 
@@ skipping 165 matching lines @@
      *  SkSurface* surfaceB = surfaceA->newSurface(...);
      *  SkCanvas* canvasB = surfaceB->newCanvas();
      *  ... // draw using canvasB
      *  canvasA->drawSurface(surfaceB); // <--- this will always be optimal!
      */
     SkSurface* newSurface(const SkImageInfo&);
 
     /**
      *  Returns an image of the current state of the surface pixels up to this
      *  point. Subsequent changes to the surface (by drawing into its canvas)
-     *  will not be reflected in this image.
+     *  will not be reflected in this image. If a copy must be made the Budgeted
+     *  parameter controls whether it counts against the resource budget
+     *  (currently for the gpu backend only).
      */
-    SkImage* newImageSnapshot();
+    SkImage* newImageSnapshot(Budgeted = kYes_Budgeted);
 
     /**
-     *  Thought the caller could get a snapshot image explicitly, and draw that,
+     *  Though the caller could get a snapshot image explicitly, and draw that,
      *  it seems that directly drawing a surface into another canvas might be
      *  a common pattern, and that we could possibly be more efficient, since
      *  we'd know that the "snapshot" need only live until we've handed it off
      *  to the canvas.
      */
     void draw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*);
 
     /**
      *  If the surface has direct access to its pixels (i.e. they are in local
      *  RAM) return the const-address of those pixels, and if not null, return
@@ skipping 41 matching lines @@
 private:
     const SkSurfaceProps fProps;
     const int            fWidth;
     const int            fHeight;
     uint32_t             fGenerationID;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif