Remove Sk prefix from some bench classes.

bench/MemsetBench.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 "SkBenchmark.h"
+#include "Benchmark.h"
 #include "SkCanvas.h"
+#include "SkString.h"
 #include "SkUtils.h"
-#include "SkString.h"
 
-class MemsetBench : public SkBenchmark {
+class MemsetBench : public Benchmark {
     SkString    fName;
 
 protected:
     size_t      fMinSize;
     size_t      fMaxSize;
     enum {
         kBufferSize = 10000,
         VALUE32 = 0x12345678,
         VALUE16 = 0x1234
     };
@@ skipping 23 matching lines @@
         return fName.c_str();
     }
 
     virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
         for (int i = 0; i < loops; ++i) {
             this->performTest();
         }
     }
 
 private:
-    typedef SkBenchmark INHERITED;
+    typedef Benchmark INHERITED;
 };
 
 class Memset32Bench : public MemsetBench {
     uint32_t kBuffer[kBufferSize + 3];
 public:
     Memset32Bench(size_t minSize, size_t maxSize)
         : INHERITED(MEMSET32, minSize, maxSize) {}
 
 protected:
     virtual void performTest() SK_OVERRIDE {
@@ skipping 39 matching lines @@
 DEF_BENCH(return new Memset32Bench(3000, 4000);)
 DEF_BENCH(return new Memset32Bench(4000, 5000);)
 
 DEF_BENCH(return new Memset16Bench(1, 600);)
 DEF_BENCH(return new Memset16Bench(600, 800);)
 DEF_BENCH(return new Memset16Bench(800, 1000);)
 DEF_BENCH(return new Memset16Bench(1000, 2000);)
 DEF_BENCH(return new Memset16Bench(2000, 3000);)
 DEF_BENCH(return new Memset16Bench(3000, 4000);)
 DEF_BENCH(return new Memset16Bench(4000, 5000);)