Turn on quilt mode in DM.

gm/dropshadowimagefilter.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 "SkColorFilter.h"
 
@@ skipping 97 matching lines @@
         paint.setStyle(SkPaint::kStroke_Style);
         paint.setColor(SK_ColorRED);
         canvas->drawRect(r, paint);
     }
 
     virtual uint32_t onGetFlags() const {
         // Because of the use of drawSprite, this test is excluded
         // from scaled replay tests because drawSprite ignores the
         // reciprocal scale that is applied at record time, which is
         // the intended behavior of drawSprite.
-        return kSkipScaledReplay_Flag;
+        return kSkipScaledReplay_Flag | kSkipTiled_Flag;
     }
 
     virtual void onDraw(SkCanvas* canvas) {
         void (*drawProc[])(SkCanvas*, const SkRect&, SkImageFilter*) = {
             draw_sprite, draw_bitmap, draw_path, draw_paint, draw_text
         };
 
         SkAutoTUnref<SkColorFilter> cf(
             SkColorFilter::CreateModeFilter(SK_ColorMAGENTA, SkXfermode::kSrcIn_Mode));
         SkAutoTUnref<SkImageFilter> cfif(SkColorFilterImageFilter::Create(cf.get()));
@@ skipping 34 matching lines @@
     }
 
 private:
     typedef GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new DropShadowImageFilterGM; }
 static skiagm::GMRegistry reg(MyFactory);