adjust size of new apply-filter gm

gm/spritebitmap.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 "SkCanvas.h"
 #include "SkBlurImageFilter.h"
@@ skipping 136 matching lines @@
 class ApplyFilterGM : public skiagm::GM {
 public:
     ApplyFilterGM() {}
 
 protected:
     SkString onShortName() override {
         return SkString("apply-filter");
     }
 
     SkISize onISize() override {
-        return SkISize::Make(640, 480);
+        return SkISize::Make(780, 780);
     }
 
     void onDraw(SkCanvas* canvas) override {
         SkAutoTUnref<SkImage> image0(make_image(canvas));
 
         const ImageFilterFactory factories[] = {
             IFCCast([]{ return SkBlurImageFilter::Create(8, 8); }),
             IFCCast([]{ SkAutoTUnref<SkColorFilter> cf(SkModeColorFilter::Create(SK_ColorBLUE,
                                                                      SkXfermode::kSrcIn_Mode));
                  return SkColorFilterImageFilter::Create(cf);
@@ skipping 40 matching lines @@
 
             canvas->translate(0, spacer);
         }
     }
 
 private:
     typedef GM INHERITED;
 };
 DEF_GM( return new ApplyFilterGM; )