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

gm/drawlooper.cpp

 /*
  * Copyright 2011 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 "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 38 matching lines @@
         canvas->drawText("Looper", 6, SkIntToScalar(230), SkIntToScalar(100),
                          paint);
     }
 
 private:
     sk_sp<SkDrawLooper> fLooper;
 
     void init() {
         if (fLooper) return;
 
-        static const struct {
+        constexpr struct {
             SkColor         fColor;
             SkPaint::Style  fStyle;
             SkScalar        fWidth;
             SkScalar        fOffset;
             SkScalar        fBlur;
         } gParams[] = {
             { SK_ColorWHITE, SkPaint::kStroke_Style, SkIntToScalar(1)*3/4, 0, 0 },
             { SK_ColorRED, SkPaint::kStroke_Style, SkIntToScalar(4), 0, 0 },
             { SK_ColorBLUE, SkPaint::kFill_Style, 0, 0, 0 },
             { 0x88000000, SkPaint::kFill_Style, 0, SkIntToScalar(10), SkIntToScalar(3) }
@@ skipping 18 matching lines @@
         }
         fLooper = looperBuilder.detach();
     }
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new DrawLooperGM; )