Turn on quilt mode in DM.

gm/rrect.cpp

 /*
  * Copyright 2012 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 "SkCanvas.h"
 #include "SkRRect.h"
@@ skipping 108 matching lines @@
         proc(rrect, d, d, &rr);
         draw_rrect_color(canvas, rr);
     }
 }
 
 class RRectGM : public skiagm::GM {
 public:
     RRectGM() {}
 
 protected:
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
     virtual SkString onShortName() {
         return SkString("rrect");
     }
 
     virtual SkISize onISize() {
         return SkISize::Make(820, 710);
     }
 
     virtual void onDraw(SkCanvas* canvas) {
         static const InsetProc insetProcs[] = {
@@ skipping 21 matching lines @@
             canvas->restore();
             canvas->translate(0, 170);
         }
     }
 
 private:
     typedef GM INHERITED;
 };
 
 DEF_GM( return new RRectGM; )