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

gm/strokedlines.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 "SkBlurMaskFilter.h"
 #include "SkDashPathEffect.h"
 #include "SkGradientShader.h"
 #include "SkPaint.h"
 #include "SkPath.h"
 #include "SkPoint3.h"
 
-static const int kNumColumns = 6;
-static const int kNumRows = 8;
-static const int kRadius = 40;  // radius of the snowflake
-static const int kPad = 5;      // padding on both sides of the snowflake
-static const int kNumSpokes = 6;
-static const SkScalar kStrokeWidth = 5.0f;
+constexpr int kNumColumns = 6;
+constexpr int kNumRows = 8;
+constexpr int kRadius = 40;  // radius of the snowflake
+constexpr int kPad = 5;      // padding on both sides of the snowflake
+constexpr int kNumSpokes = 6;
+constexpr SkScalar kStrokeWidth = 5.0f;
 
 static void draw_fins(SkCanvas* canvas, const SkPoint& offset, float angle, const SkPaint& paint) {
     SkScalar cos, sin;
 
     // first fin
     sin = SkScalarSinCos(angle + (SK_ScalarPI/4), &cos);
     sin *= kRadius / 2.0f;
     cos *= kRadius / 2.0f;
 
     SkPath p;
@@ skipping 187 matching lines @@
     SkTArray<SkPaint> fPaints;
     SkTArray<SkMatrix> fMatrices;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new StrokedLinesGM;)
 }