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

gm/textblobshader.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"
@@ skipping 71 matching lines @@
     SkISize onISize() override {
         return SkISize::Make(640, 480);
     }
 
     void onDraw(SkCanvas* canvas) override {
         SkPaint p;
         p.setStyle(SkPaint::kFill_Style);
         p.setShader(fShader);
 
         SkISize sz = this->onISize();
-        static const int kXCount = 4;
-        static const int kYCount = 3;
+        constexpr int kXCount = 4;
+        constexpr int kYCount = 3;
         for (int i = 0; i < kXCount; ++i) {
             for (int j = 0; j < kYCount; ++j) {
                 canvas->drawTextBlob(fBlob,
                                      SkIntToScalar(i * sz.width() / kXCount),
                                      SkIntToScalar(j * sz.height() / kYCount),
                                      p);
             }
         }
     }
 
 private:
     SkTDArray<uint16_t>            fGlyphs;
     SkAutoTUnref<const SkTextBlob> fBlob;
     sk_sp<SkShader>                fShader;
 
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM(return new TextBlobShaderGM("Blobber");)