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

gm/xfermodes2.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 "SkBitmap.h"
 #include "SkShader.h"
 #include "SkXfermode.h"
@@ skipping 66 matching lines @@
             x += w + SkIntToScalar(10);
             if ((m % W) == W - 1) {
                 x = 0;
                 y += h + SkIntToScalar(30);
             }
         }
     }
 
 private:
     void onOnceBeforeDraw() override {
-        static const uint32_t kCheckData[] = {
+        const uint32_t kCheckData[] = {
             SkPackARGB32(0xFF, 0x42, 0x41, 0x42),
             SkPackARGB32(0xFF, 0xD6, 0xD3, 0xD6),
             SkPackARGB32(0xFF, 0xD6, 0xD3, 0xD6),
             SkPackARGB32(0xFF, 0x42, 0x41, 0x42)
         };
         SkBitmap bg;
         bg.allocN32Pixels(2, 2, true);
         memcpy(bg.getPixels(), kCheckData, sizeof(kCheckData));
 
         SkMatrix lm;
@@ skipping 40 matching lines @@
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new Xfermodes2GM; }
 static GMRegistry reg(MyFactory);
 
 }