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

gm/lcdblendmodes.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.
  */
 
 
 /*
  * Tests text rendering with LCD and the various blend modes.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkGradientShader.h"
 #include "SkSurface.h"
 
 namespace skiagm {
 
-static const int kColWidth = 180;
-static const int kNumCols = 4;
-static const int kWidth = kColWidth * kNumCols;
-static const int kHeight = 750;
+constexpr int kColWidth = 180;
+constexpr int kNumCols = 4;
+constexpr int kWidth = kColWidth * kNumCols;
+constexpr int kHeight = 750;
 
 static sk_sp<SkShader> make_shader(const SkRect& bounds) {
     const SkPoint pts[] = {
         { bounds.left(), bounds.top() },
         { bounds.right(), bounds.bottom() },
     };
     const SkColor colors[] = {
         SK_ColorRED, SK_ColorGREEN,
     };
     return SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
@@ skipping 110 matching lines @@
 private:
     SkScalar fTextHeight;
     sk_sp<SkShader> fCheckerboard;
     typedef skiagm::GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new LcdBlendGM; )
 }