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

gm/texturedomaineffect.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.
  */
 
 // This test only works with the GPU backend.
 
 #include "gm.h"
@@ skipping 120 matching lines @@
                                                                 renderRect, nullptr, nullptr));
                     drawContext->drawContextPriv().testingOnly_drawBatch(grPaint, batch);
                     x += renderRect.width() + kTestPad;
                 }
                 y += renderRect.height() + kTestPad;
             }
         }
     }
 
 private:
-    static const SkScalar kDrawPad;
-    static const SkScalar kTestPad;
-    static const int      kTargetWidth = 100;
-    static const int      kTargetHeight = 100;
+    static constexpr SkScalar kDrawPad = 10.f;
+    static constexpr SkScalar kTestPad = 10.f;;
+    static constexpr int      kTargetWidth = 100;
+    static constexpr int      kTargetHeight = 100;
     SkBitmap fBmp;
 
     typedef GM INHERITED;
 };
 
-// Windows builds did not like SkScalar initialization in class :(
-const SkScalar TextureDomainEffect::kDrawPad = 10.f;
-const SkScalar TextureDomainEffect::kTestPad = 10.f;
-
 DEF_GM(return new TextureDomainEffect;)
 }
 
 #endif