Style bikeshed - remove extraneous whitespace

samplecode/SampleFilterQuality.cpp

 /*
  * Copyright 2015 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 "Resources.h"
@@ skipping 36 matching lines @@
 
     SkPath path;
     path.setFillType(SkPath::kEvenOdd_FillType);
 
     path.addRect(SkRect::MakeWH(N/2, N));
     path.addRect(SkRect::MakeWH(N, N/2));
     path.moveTo(0, 0); path.lineTo(N, 0); path.lineTo(0, N); path.close();
 
     SkPaint paint;
     paint.setShader(make_shader(SkRect::MakeWH(N, N)));
-    
+
     canvas->drawPath(path, paint);
     return surface->makeImageSnapshot();
 }
 
 static sk_sp<SkImage> zoom_up(SkSurface* origSurf, SkImage* orig) {
     const SkScalar S = 16;    // amount to scale up
     const int D = 2;    // dimension scaling for the offscreen
     // since we only view the center, don't need to produce the entire thing
-    
+
     SkImageInfo info = SkImageInfo::MakeN32(orig->width() * D, orig->height() * D,
                                             kOpaque_SkAlphaType);
     auto surface(origSurf->makeSurface(info));
     SkCanvas* canvas = surface->getCanvas();
     canvas->drawColor(SK_ColorWHITE);
     canvas->scale(S, S);
     canvas->translate(-SkScalarHalf(orig->width()) * (S - D) / S,
                       -SkScalarHalf(orig->height()) * (S - D) / S);
     canvas->drawImage(orig, 0, 0, nullptr);
-    
+
     if (S > 3) {
         SkPaint paint;
         paint.setColor(SK_ColorWHITE);
         for (int i = 1; i < orig->height(); ++i) {
             SkScalar y = SkIntToScalar(i);
             canvas->drawLine(0, y, SkIntToScalar(orig->width()), y, paint);
         }
         for (int i = 1; i < orig->width(); ++i) {
             SkScalar x = SkIntToScalar(i);
             canvas->drawLine(x, 0, x, SkIntToScalar(orig->height()), paint);
@@ skipping 214 matching lines @@
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new FilterQualityView; }
 static SkViewRegister reg(MyFactory);