Fix up -Winconsistent-missing-override

bench/StrokeBench.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "Benchmark.h"
 #include "SkPaint.h"
 #include "SkPath.h"
 #include "SkRandom.h"
 #include "SkString.h"
 
 class StrokeBench : public Benchmark {
 public:
     StrokeBench(const SkPath& path, const SkPaint& paint, const char pathType[], SkScalar res)
         : fPath(path), fPaint(paint), fRes(res)
     {
         fName.printf("build_stroke_%s_%g_%d_%d",
                      pathType, paint.getStrokeWidth(), paint.getStrokeJoin(), paint.getStrokeCap());
     }
 
 protected:
-    virtual bool isSuitableFor(Backend backend) {
+    bool isSuitableFor(Backend backend) override {
         return backend == kNonRendering_Backend;
     }
 
     const char* onGetName() override { return fName.c_str(); }
 
     void onDraw(const int loops, SkCanvas* canvas) override {
         SkPaint paint(fPaint);
         this->setupPaint(&paint);
 
         for (int outer = 0; outer < 10; ++outer) {
@@ skipping 75 matching lines @@
 
 DEF_BENCH( return SkNEW_ARGS(StrokeBench, (line_path_maker(), paint_maker(), "line_4", 4)); )
 DEF_BENCH( return SkNEW_ARGS(StrokeBench, (quad_path_maker(), paint_maker(), "quad_4", 4)); )
 DEF_BENCH( return SkNEW_ARGS(StrokeBench, (conic_path_maker(), paint_maker(), "conic_4", 4)); )
 DEF_BENCH( return SkNEW_ARGS(StrokeBench, (cubic_path_maker(), paint_maker(), "cubic_4", 4)); )
 
 DEF_BENCH( return SkNEW_ARGS(StrokeBench, (line_path_maker(), paint_maker(), "line_.25", .25f)); )
 DEF_BENCH( return SkNEW_ARGS(StrokeBench, (quad_path_maker(), paint_maker(), "quad_.25", .25f)); )
 DEF_BENCH( return SkNEW_ARGS(StrokeBench, (conic_path_maker(), paint_maker(), "conic_.25", .25f)); )
 DEF_BENCH( return SkNEW_ARGS(StrokeBench, (cubic_path_maker(), paint_maker(), "cubic_.25", .25f)); )