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

gm/textbloblooper.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 "Sk2DPathEffect.h"
 #include "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
 #include "SkColorMatrixFilter.h"
 #include "SkCanvas.h"
 #include "SkGradientShader.h"
 #include "SkGraphics.h"
 #include "SkLayerDrawLooper.h"
 #include "SkRandom.h"
 #include "SkTextBlob.h"
 
 namespace skiagm {
 
-static const int kWidth = 1250;
-static const int kHeight = 700;
+constexpr int kWidth = 1250;
+constexpr int kHeight = 700;
 
 // Unlike the variant in sk_tool_utils, this version positions the glyphs on a diagonal
 static void add_to_text_blob(SkTextBlobBuilder* builder, const char* text, const SkPaint& origPaint,
                              SkScalar x, SkScalar y) {
     SkPaint paint(origPaint);
     SkTDArray<uint16_t> glyphs;
 
     size_t len = strlen(text);
     glyphs.append(paint.textToGlyphs(text, len, nullptr));
     paint.textToGlyphs(text, len, glyphs.begin());
@@ skipping 213 matching lines @@
     SkAutoTUnref<const SkTextBlob> fBlob;
     SkTArray<sk_sp<SkDrawLooper>, true> fLoopers;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new TextBlobLooperGM;)
 }