remove unused GM flags

gm/pictureimagefilter.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #include "SkPictureImageFilter.h"
@@ skipping 83 matching lines @@
             // Draw the picture scaled, but rasterized at original resolution
             canvas->translate(srcRect.width(), 0);
             fillRectFiltered(canvas, srcRect, pictureSourceResampled);
 
             // Draw the picture scaled, pixelated
             canvas->translate(srcRect.width(), 0);
             fillRectFiltered(canvas, srcRect, pictureSourcePixelated);
         }
     }
 
-    // SkPictureImageFilter doesn't support serialization yet.
-    uint32_t onGetFlags() const SK_OVERRIDE {
-        return kSkipPicture_Flag            |
-               kSkipPipe_Flag               |
-               kSkipPipeCrossProcess_Flag   |
-               kSkipTiled_Flag              |
-               kSkipScaledReplay_Flag;
-    }
-
 private:
     SkAutoTUnref<SkPicture> fPicture;
     typedef GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new PictureImageFilterGM; )