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

gm/filterfastbounds.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.
  */
 
 #include "gm.h"
 #include "SkBlurImageFilter.h"
 #include "SkDropShadowImageFilter.h"
@@ skipping 60 matching lines @@
 static void draw_bitmap(SkCanvas* canvas, const SkRect& r, const SkPaint& p) {
     SkBitmap bm;
 
     bm.allocN32Pixels(64, 64);
     SkCanvas temp(bm);
     temp.clear(SK_ColorMAGENTA);
 
     canvas->drawBitmapRect(bm, r, &p);
 }
 
-static const drawMth gDrawMthds[] = {
+constexpr drawMth gDrawMthds[] = {
     draw_rect, draw_oval, draw_rrect, draw_drrect, draw_path, draw_points, draw_bitmap
 };
 
 static void add_paint(SkTArray<SkPaint>* paints, sk_sp<SkImageFilter> filter) {
     SkPaint& p = paints->push_back();
     p.setImageFilter(std::move(filter));
     SkASSERT(p.canComputeFastBounds());
 }
 
 // Create a selection of imagefilter-based paints to test
@@ skipping 20 matching lines @@
 
     {
         SkRect src = SkRect::MakeXYWH(20, 20, 10, 10);
         SkRect dst = SkRect::MakeXYWH(30, 30, 30, 30);
         sk_sp<SkImageFilter> tileIF(SkTileImageFilter::Make(src, dst, nullptr));
 
         add_paint(paints, std::move(tileIF));
     }
 
     {
-        static const SkDropShadowImageFilter::ShadowMode kBoth =
+        constexpr SkDropShadowImageFilter::ShadowMode kBoth =
                     SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode;
 
         sk_sp<SkImageFilter> dsif(SkDropShadowImageFilter::Make(10.0f, 10.0f,
                                                                 3.0f, 3.0f,
                                                                 SK_ColorRED, kBoth,
                                                                 source));
 
         add_paint(paints, std::move(dsif));
     }
 
@@ skipping 14 matching lines @@
 
 // This GM visualizes the fast bounds for various combinations of geometry
 // and image filter
 class ImageFilterFastBoundGM : public GM {
 public:
     ImageFilterFastBoundGM() {
         this->setBGColor(sk_tool_utils::color_to_565(0xFFCCCCCC));
     }
 
 protected:
-    static const int kTileWidth = 100;
-    static const int kTileHeight = 100;
-    static const int kNumVertTiles = 7;
-    static const int kNumXtraCols = 2;
+    static constexpr int kTileWidth = 100;
+    static constexpr int kTileHeight = 100;
+    static constexpr int kNumVertTiles = 7;
+    static constexpr int kNumXtraCols = 2;
 
     SkString onShortName() override{ return SkString("filterfastbounds"); }
 
     SkISize onISize() override{
         return SkISize::Make((SK_ARRAY_COUNT(gDrawMthds) + kNumXtraCols) * kTileWidth,
                              kNumVertTiles * kTileHeight);
     }
 
     static void draw_geom_with_paint(drawMth draw, const SkIPoint& off,
                                      SkCanvas* canvas, const SkPaint& p) {
@@ skipping 142 matching lines @@
     }
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new ImageFilterFastBoundGM;)
 }