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

gm/stroke_rect_shader.cpp

 /*
  * Copyright 2016 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 "SkGradientShader.h"
 
 namespace skiagm {
 
 // Draw stroked rects (both AA and nonAA) with all the types of joins:
 //    bevel, miter, miter-limited-to-bevel, round
 // and as a hairline.
 DEF_SIMPLE_GM(stroke_rect_shader, canvas, 690, 300) {
-    static constexpr SkRect kRect {0, 0, 100, 100};
-    static constexpr SkPoint kPts[] {{kRect.fLeft, kRect.fTop}, {kRect.fRight, kRect.fBottom}};
-    static constexpr SkColor kColors[] {SK_ColorRED, SK_ColorBLUE};
+    constexpr SkRect kRect {0, 0, 100, 100};
+    constexpr SkPoint kPts[] {{kRect.fLeft, kRect.fTop}, {kRect.fRight, kRect.fBottom}};
+    constexpr SkColor kColors[] {SK_ColorRED, SK_ColorBLUE};
     SkPaint paint;
     sk_sp<SkShader> shader = SkGradientShader::MakeLinear(kPts, kColors, nullptr, 2,
                                                           SkShader::kClamp_TileMode);
     paint.setShader(std::move(shader));
     paint.setStyle(SkPaint::kStroke_Style);
     // Do a large initial translate so that local coords disagree with device coords significantly
     // for the first rect drawn.
     canvas->translate(kRect.centerX(), kRect.centerY());
-    static constexpr SkScalar kPad = 20;
+    constexpr SkScalar kPad = 20;
     for (auto aa : {false, true}) {
         paint.setAntiAlias(aa);
         canvas->save();
 
-        static constexpr SkScalar kStrokeWidth = 10;
+        constexpr SkScalar kStrokeWidth = 10;
         paint.setStrokeWidth(kStrokeWidth);
 
         paint.setStrokeJoin(SkPaint::kBevel_Join);
         canvas->drawRect(kRect, paint);
         canvas->translate(kRect.width() + kPad, 0);
 
         paint.setStrokeJoin(SkPaint::kMiter_Join);
         canvas->drawRect(kRect, paint);
         canvas->translate(kRect.width() + kPad, 0);
 
         // This miter limit should effectively produce a bevel join.
         paint.setStrokeMiter(0.01f);
         canvas->drawRect(kRect, paint);
         canvas->translate(kRect.width() + kPad, 0);
 
         paint.setStrokeJoin(SkPaint::kRound_Join);
         canvas->drawRect(kRect, paint);
         canvas->translate(kRect.width() + kPad, 0);
 
         paint.setStrokeWidth(0);
         canvas->drawRect(kRect, paint);
 
         canvas->restore();
         canvas->translate(0, kRect.height() + kPad);
     }
 }
 
 }