Turn on quilt mode in DM.

gm/testimagefilters.cpp

 /*
  * Copyright 2011 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 "SkColorFilter.h"
@@ skipping 83 matching lines @@
 class TestImageFiltersGM : public skiagm::GM {
 public:
     TestImageFiltersGM () {}
 
 protected:
 
     virtual SkString onShortName() {
         return SkString("testimagefilters");
     }
 
+    virtual uint32_t onGetFlags() const SK_OVERRIDE {
+        return kSkipTiled_Flag;
+    }
+
     virtual SkISize onISize() { return SkISize::Make(700, 460); }
 
     virtual void onDraw(SkCanvas* canvas) {
 //        this->drawSizeBounds(canvas, 0xFFCCCCCC);
 
         static SkImageFilter* (*gFilterProc[])() = {
             make0, make1, make2, make3, make4, make5, make6, make7
         };
 
         const SkRect bounds = SkRect::MakeWH(FILTER_WIDTH, FILTER_HEIGHT);
@@ skipping 22 matching lines @@
     }
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static skiagm::GM* MyFactory(void*) { return new TestImageFiltersGM; }
 static skiagm::GMRegistry reg(MyFactory);