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

gm/rrect.cpp

 /*
  * Copyright 2012 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"
 #include "SkRRect.h"
@@ skipping 118 matching lines @@
 
     SkString onShortName() override {
         return SkString("rrect");
     }
 
     SkISize onISize() override {
         return SkISize::Make(820, 710);
     }
 
     void onDraw(SkCanvas* canvas) override {
-        static const InsetProc insetProcs[] = {
+        constexpr InsetProc insetProcs[] = {
             inset0, inset1, inset2, inset3
         };
 
         SkRRect rrect[4];
         SkRect r = { 0, 0, 120, 100 };
         SkVector radii[4] = {
             { 0, 0 }, { 30, 1 }, { 10, 40 }, { 40, 40 }
         };
 
         rrect[0].setRect(r);
@@ skipping 11 matching lines @@
             canvas->restore();
             canvas->translate(0, 170);
         }
     }
 
 private:
     typedef GM INHERITED;
 };
 
 DEF_GM( return new RRectGM; )