Turn on quilt mode in DM.

gm/stroketext.cpp

 /*
  * Copyright 2014 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"
 
@@ skipping 32 matching lines @@
     // and caching the glyph. This GM wants to ensure that we draw stroking correctly on both
     // sides of this threshold.
     enum {
         kBelowThreshold_TextSize = 255,
         kAboveThreshold_TextSize = 257
     };
 public:
     StrokeTextGM() {}
 
 protected:
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
     virtual SkString onShortName() SK_OVERRIDE {
         return SkString("stroketext");
     }
 
     virtual SkISize onISize() SK_OVERRIDE {
         return SkISize::Make(640, 480);
     }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         if (true) { test_nulldev(canvas); }
         SkPaint paint;
         paint.setAntiAlias(true);
 
         paint.setTextSize(kBelowThreshold_TextSize);
         draw_text_stroked(canvas, paint);
 
         canvas->translate(200, 0);
         paint.setTextSize(kAboveThreshold_TextSize);
         draw_text_stroked(canvas, paint);
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM( return SkNEW(StrokeTextGM); )