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

gm/glyph_pos_align.cpp

 /*
  * Copyright 2014 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 "SkCanvas.h"
 #include "SkGradientShader.h"
 
 /**
  * This test exercises drawPosTextH and drawPosText with every text align.
  */
-static const int kWidth = 480;
-static const int kHeight = 600;
-static const SkScalar kTextHeight = 64.0f;
-static const int kMaxStringLength = 12;
+constexpr int kWidth = 480;
+constexpr int kHeight = 600;
+constexpr SkScalar kTextHeight = 64.0f;
+constexpr int kMaxStringLength = 12;
 
 static void drawTestCase(SkCanvas*, const char*, SkScalar, const SkPaint&);
 
 DEF_SIMPLE_GM_BG(glyph_pos_align, canvas, kWidth, kHeight, SK_ColorBLACK) {
         SkPaint paint;
         paint.setTextSize(kTextHeight);
         paint.setFakeBoldText(true);
         const SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE };
         const SkPoint pts[] = {{0, 0}, {kWidth, kHeight}};
         paint.setShader(SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
@@ skipping 28 matching lines @@
         float x = kTextHeight;
         for (int i = 0; i < length; ++i) {
             posX[i] = x + originX * widths[i];
             pos[i].set(posX[i], i ? pos[i - 1].y() + 3 : y + kTextHeight);
             x += widths[i];
         }
 
         canvas->drawPosTextH(text, length, posX, y, paint);
         canvas->drawPosText(text, length, pos, paint);
 }