Replace a lot of 'static const' with 'constexpr' or 'const'.

gm/blurquickreject.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 "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 13 matching lines @@
 protected:
     SkString onShortName() override {
         return SkString("blurquickreject");
     }
 
     SkISize onISize() override {
         return SkISize::Make(kWidth, kHeight);
     }
 
     void onDraw(SkCanvas* canvas) override {
-        static const SkScalar kBlurRadius = SkIntToScalar(20);
-        static const SkScalar kBoxSize = SkIntToScalar(100);
+        constexpr SkScalar kBlurRadius = SkIntToScalar(20);
+        constexpr SkScalar kBoxSize = SkIntToScalar(100);
 
         SkRect clipRect = SkRect::MakeXYWH(0, 0, kBoxSize, kBoxSize);
         SkRect blurRects[] = {
             { -kBoxSize - (kBlurRadius+1), 0, -(kBlurRadius+1), kBoxSize },
             { 0, -kBoxSize - (kBlurRadius+1), kBoxSize, -(kBlurRadius+1) },
             { kBoxSize+kBlurRadius+1, 0, 2*kBoxSize+kBlurRadius+1, kBoxSize },
             { 0, kBoxSize+kBlurRadius+1, kBoxSize, 2*kBoxSize+kBlurRadius+1 }
         };
         SkColor colors[] = {
             SK_ColorRED,
@@ skipping 20 matching lines @@
         canvas->clipRect(clipRect);
         for (size_t i = 0; i < SK_ARRAY_COUNT(blurRects); ++i) {
             blurPaint.setColor(colors[i]);
             canvas->drawRect(blurRects[i], blurPaint);
             canvas->drawRect(blurRects[i], hairlinePaint);
         }
         canvas->restore();
     }
 
 private:
-    static const int kWidth = 300;
-    static const int kHeight = 300;
+    static constexpr int kWidth = 300;
+    static constexpr int kHeight = 300;
 
     typedef GM INHERITED;
 };
 
 DEF_GM( return new BlurQuickRejectGM(); )