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

gm/textblobblockreordering.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 "SkCanvas.h"
@@ skipping 61 matching lines @@
         srcInPaint.setXfermodeMode(SkXfermode::kSrcIn_Mode);
         canvas->drawTextBlob(fBlob, 0, 0, srcInPaint);
 
         canvas->translate(SkIntToScalar(xDelta), SkIntToScalar(yDelta));
         canvas->drawTextBlob(fBlob, 0, 0, paint);
     }
 
 private:
     SkAutoTUnref<const SkTextBlob> fBlob;
 
-    static const int kWidth = 275;
-    static const int kHeight = 200;
+    static constexpr int kWidth = 275;
+    static constexpr int kHeight = 200;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new TextBlobBlockReordering;)
 }