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

gm/variedtext.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 "SkCanvas.h"
 #include "SkPath.h"
@@ skipping 54 matching lines @@
             char text[kMaxLength];
             for (int j = 0; j < length; ++j) {
                 text[j] = (char)random.nextRangeU('!', 'z');
             }
             fStrings[i].set(text, length);
 
             fColors[i] = random.nextU();
             fColors[i] |= 0xFF000000;
             fColors[i] = sk_tool_utils::color_to_565(fColors[i]);
 
-            static const SkScalar kMinPtSize = 8.f;
-            static const SkScalar kMaxPtSize = 32.f;
+            constexpr SkScalar kMinPtSize = 8.f;
+            constexpr SkScalar kMaxPtSize = 32.f;
 
             fPtSizes[i] = random.nextRangeScalar(kMinPtSize, kMaxPtSize);
 
             fTypefaceIndices[i] = random.nextULessThan(SK_ARRAY_COUNT(fTypefaces));
 
             SkRect r;
             fPaint.setColor(fColors[i]);
             fPaint.setTypeface(fTypefaces[fTypefaceIndices[i]]);
             fPaint.setTextSize(fPtSizes[i]);
 
@@ skipping 40 matching lines @@
             wirePaint.setStyle(SkPaint::kStroke_Style);
             for (int i = 0; i < kCnt; ++i) {
                 canvas->drawRect(fClipRects[i], wirePaint);
             }
         }
     }
 
     bool runAsBench() const override { return true; }
 
 private:
-    static const int kCnt = 30;
-    static const int kMinLength = 15;
-    static const int kMaxLength = 40;
+    static constexpr int kCnt = 30;
+    static constexpr int kMinLength = 15;
+    static constexpr int kMaxLength = 40;
 
     bool        fEffectiveClip;
     bool        fLCD;
     sk_sp<SkTypeface> fTypefaces[4];
     SkPaint     fPaint;
 
     // precomputed for each text draw
     SkString        fStrings[kCnt];
     SkColor         fColors[kCnt];
     SkScalar        fPtSizes[kCnt];
     int             fTypefaceIndices[kCnt];
     SkPoint         fPositions[kCnt];
     SkRect          fClipRects[kCnt];
 
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM(return new VariedTextGM(false, false);)
 DEF_GM(return new VariedTextGM(true, false);)
 DEF_GM(return new VariedTextGM(false, true);)
 DEF_GM(return new VariedTextGM(true, true);)