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

bench/GrMemoryPoolBench.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.
  */
 
 // This tests a Gr class
 #if SK_SUPPORT_GPU
 
@@ skipping 14 matching lines @@
 #endif
     static GrMemoryPool gBenchPool;
 };
 GrMemoryPool A::gBenchPool(10 * (1 << 10), 10 * (1 << 10));
 
 /**
  * This benchmark creates and deletes objects in stack order
  */
 class GrMemoryPoolBenchStack : public Benchmark {
 public:
-    virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+    bool isSuitableFor(Backend backend) SK_OVERRIDE {
         return backend == kNonRendering_Backend;
     }
 
 protected:
     virtual const char* onGetName() {
         return "grmemorypool_stack";
     }
 
     virtual void onDraw(const int loops, SkCanvas*) {
         SkRandom r;
@@ skipping 41 matching lines @@
 #endif
     static GrMemoryPool gBenchPool;
 };
 GrMemoryPool B::gBenchPool(10 * (1 << 10), 10 * (1 << 10));
 
 /**
  * This benchmark creates objects and deletes them in random order
  */
 class GrMemoryPoolBenchRandom : public Benchmark {
 public:
-    virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+    bool isSuitableFor(Backend backend) SK_OVERRIDE {
         return backend == kNonRendering_Backend;
     }
 
 protected:
     virtual const char* onGetName() {
         return "grmemorypool_random";
     }
 
     virtual void onDraw(const int loops, SkCanvas*) {
         SkRandom r;
@@ skipping 27 matching lines @@
 GrMemoryPool C::gBenchPool(10 * (1 << 10), 10 * (1 << 10));
 
 /**
  * This benchmark creates objects and deletes them in queue order
  */
 class GrMemoryPoolBenchQueue : public Benchmark {
     enum {
         M = 4 * (1 << 10),
     };
 public:
-    virtual bool isSuitableFor(Backend backend) SK_OVERRIDE {
+    bool isSuitableFor(Backend backend) SK_OVERRIDE {
         return backend == kNonRendering_Backend;
     }
 
 protected:
     virtual const char* onGetName() {
         return "grmemorypool_queue";
     }
 
     virtual void onDraw(const int loops, SkCanvas*) {
         SkRandom r;
@@ skipping 13 matching lines @@
     typedef Benchmark INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_BENCH( return new GrMemoryPoolBenchStack(); )
 DEF_BENCH( return new GrMemoryPoolBenchRandom(); )
 DEF_BENCH( return new GrMemoryPoolBenchQueue(); )
 
 #endif