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

gm/rectangletexture.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.
  */
 
 // This test only works with the GPU backend.
 
 #include "gm.h"
@@ skipping 109 matching lines @@
         return nullptr;
     }
 
     void onDraw(SkCanvas* canvas) override {
         GrContext *context = canvas->getGrContext();
         if (!context) {
             skiagm::GM::DrawGpuOnlyMessage(canvas);
             return;
         }
 
-        static const int kWidth = 50;
-        static const int kHeight = 50;
-        static const SkScalar kPad = 5.f;
+        constexpr int kWidth = 50;
+        constexpr int kHeight = 50;
+        constexpr SkScalar kPad = 5.f;
 
         SkPMColor pixels[kWidth * kHeight];
         this->fillPixels(kWidth, kHeight, pixels);
         sk_sp<SkImage> rectImg(this->createRectangleTextureImg(context, kWidth, kHeight, pixels));
 
         if (!rectImg) {
             SkPaint paint;
             paint.setAntiAlias(true);
-            static const char* kMsg = "Could not create rectangle texture image.";
+            const char* kMsg = "Could not create rectangle texture image.";
             canvas->drawText(kMsg, strlen(kMsg), 10, 100, paint);
             return;
         }
 
-        static const SkFilterQuality kQualities[] = {
+        constexpr SkFilterQuality kQualities[] = {
             kNone_SkFilterQuality,
             kLow_SkFilterQuality,
             kMedium_SkFilterQuality,
             kHigh_SkFilterQuality,
         };
 
-        static const SkScalar kScales[] = { 1.0f, 1.2f, 0.75f };
+        constexpr SkScalar kScales[] = { 1.0f, 1.2f, 0.75f };
 
         canvas->translate(kPad, kPad);
         for (auto s : kScales) {
             canvas->save();
             canvas->scale(s, s);
             for (auto q : kQualities) {
                 SkPaint plainPaint;
                 plainPaint.setFilterQuality(q);
                 canvas->drawImage(rectImg.get(), 0, 0, &plainPaint);
                 canvas->translate(kWidth + kPad, 0);
@@ skipping 18 matching lines @@
     }
 
 private:
     typedef GM INHERITED;
 };
 
 DEF_GM(return new RectangleTexture;)
 }
 
 #endif