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

bench/Matrix44Bench.cpp

 /*
  * Copyright 2012 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 "SkMatrix44.h"
 #include "SkRandom.h"
 #include "SkString.h"
 
 class Matrix44Bench : public Benchmark {
     SkString    fName;
 public:
     Matrix44Bench(const char name[]) {
         fName.printf("matrix44_%s", name);
     }
 
-    virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+    bool isSuitableFor(Backend backend) SK_OVERRIDE {
         return backend == kNonRendering_Backend;
     }
 
     virtual void performTest() = 0;
 
 protected:
     virtual int mulLoopCount() const { return 1; }
 
     virtual const char* onGetName() {
         return fName.c_str();
@@ skipping 264 matching lines @@
 DEF_BENCH( return new SetIdentityMatrix44Bench(); )
 DEF_BENCH( return new EqualsMatrix44Bench(); )
 DEF_BENCH( return new PreScaleMatrix44Bench(); )
 DEF_BENCH( return new PostScaleMatrix44Bench(); )
 DEF_BENCH( return new InvertMatrix44Bench(); )
 DEF_BENCH( return new InvertAffineMatrix44Bench(); )
 DEF_BENCH( return new InvertScaleTranslateMatrix44Bench(); )
 DEF_BENCH( return new InvertTranslateMatrix44Bench(); )
 DEF_BENCH( return new SetConcatMatrix44Bench(); )
 DEF_BENCH( return new GetTypeMatrix44Bench(); )