Fix up all the easy virtual ... SK_OVERRIDE cases.

bench/AlternatingColorPatternBench.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 "Benchmark.h"
 #include "SkCanvas.h"
 #include "SkGradientShader.h"
@@ skipping 90 matching lines @@
                      fPattern1.fName, fPattern2.fName,
                      kRect_DrawType == drawType ? "rect" : "path");
         fDrawType = drawType;
     }
 
     virtual ~AlternatingColorPatternBench() {
         SkSafeUnref(fBmShader);
     }
 
 protected:
-    virtual const char* onGetName() SK_OVERRIDE {
+    const char* onGetName() SK_OVERRIDE {
         return fName.c_str();
     }
 
     virtual void onPreDraw() {
         int w = 40;
         int h = 40;
         makebm(&fBmp, w, h);
         fBmShader = SkShader::CreateBitmapShader(fBmp,
                                                  SkShader::kRepeat_TileMode,
                                                  SkShader::kRepeat_TileMode);
@@ skipping 17 matching lines @@
                     fShaders[count] = fPattern1.fIsBitmap ? fBmShader : NULL;
                 } else {
                     fColors[count]  = fPattern2.fColor;
                     fShaders[count] = fPattern2.fIsBitmap ? fBmShader : NULL;
                 }
                 ++count;
             }
         }
     }
 
-    virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
+    void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
         SkPaint paint;
         paint.setAntiAlias(false);
         paint.setFilterLevel(SkPaint::kLow_FilterLevel);
 
         for (int i = 0; i < loops; ++i) {
             for (int j = 0; j < NUM_DRAWS; ++j) {
                 paint.setColor(fColors[j]);
                 paint.setShader(fShaders[j]);
                 if (kRect_DrawType == fDrawType) {
                     canvas->drawRect(fRects[j], paint);
@@ skipping 31 matching lines @@
 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench,
                              (kOpaqueBitmap_ColorPattern, kOpaqueBitmap_ColorPattern,
                               kRect_DrawType)); )
 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench,
                              (kAlphaBitmap_ColorPattern, kAlphaBitmap_ColorPattern,
                               kRect_DrawType)); )
 DEF_BENCH( return SkNEW_ARGS(AlternatingColorPatternBench,
                              (kOpaqueBitmap_ColorPattern, kAlphaBitmap_ColorPattern,
                               kRect_DrawType)); )