Fix up -Winconsistent-missing-override

bench/BitmapScaleBench.cpp

 /*
  * Copyright 2013 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 "SkBlurMask.h"
 #include "SkCanvas.h"
@@ skipping 14 matching lines @@
         fOutputSize = os;
 
         fLoopCount = 20;
     }
 
 protected:
 
     SkBitmap fInputBitmap, fOutputBitmap;
     SkMatrix fMatrix;
 
-    virtual const char* onGetName() {
+    const char* onGetName() override {
         return fName.c_str();
     }
 
     int inputSize() const {
         return fInputSize;
     }
 
     int outputSize() const {
         return fOutputSize;
     }
 
     float scale() const {
         return float(outputSize())/inputSize();
     }
 
     SkIPoint onGetSize() override {
         return SkIPoint::Make( fOutputSize, fOutputSize );
     }
 
     void setName(const char * name) {
         fName.printf( "bitmap_scale_%s_%d_%d", name, fInputSize, fOutputSize );
     }
 
-    virtual void onPreDraw() {
+    void onPreDraw() override {
         fInputBitmap.allocN32Pixels(fInputSize, fInputSize, true);
         fInputBitmap.eraseColor(SK_ColorWHITE);
 
         fOutputBitmap.allocN32Pixels(fOutputSize, fOutputSize, true);
 
         fMatrix.setScale( scale(), scale() );
     }
 
-    virtual void onDraw(const int loops, SkCanvas*) {
+    void onDraw(const int loops, SkCanvas*) override {
         SkPaint paint;
         this->setupPaint(&paint);
 
         preBenchSetup();
 
         for (int i = 0; i < loops; i++) {
             doScaleImage();
         }
     }
 
@@ skipping 24 matching lines @@
 
 DEF_BENCH(return new BitmapFilterScaleBench(10, 90);)
 DEF_BENCH(return new BitmapFilterScaleBench(30, 90);)
 DEF_BENCH(return new BitmapFilterScaleBench(80, 90);)
 DEF_BENCH(return new BitmapFilterScaleBench(90, 90);)
 DEF_BENCH(return new BitmapFilterScaleBench(90, 80);)
 DEF_BENCH(return new BitmapFilterScaleBench(90, 30);)
 DEF_BENCH(return new BitmapFilterScaleBench(90, 10);)
 DEF_BENCH(return new BitmapFilterScaleBench(256, 64);)
 DEF_BENCH(return new BitmapFilterScaleBench(64, 256);)