Remove Sk prefix from some bench classes.

bench/ChecksumBench.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 "SkBenchmark.h"
+#include "Benchmark.h"
 #include "SkCanvas.h"
 #include "SkChecksum.h"
 #include "SkMD5.h"
 #include "SkRandom.h"
 #include "SkSHA1.h"
 #include "SkTemplates.h"
 
 enum ChecksumType {
     kChecksum_ChecksumType,
     kMD5_ChecksumType,
     kSHA1_ChecksumType,
     kMurmur3_ChecksumType,
 };
 
-class ComputeChecksumBench : public SkBenchmark {
+class ComputeChecksumBench : public Benchmark {
     enum {
         U32COUNT  = 256,
         SIZE      = U32COUNT * 4,
     };
     uint32_t    fData[U32COUNT];
     ChecksumType fType;
 
 public:
     ComputeChecksumBench(ChecksumType type) : fType(type) {
         SkRandom rand;
@@ skipping 46 matching lines @@
                 for (int i = 0; i < loops; i++) {
                     volatile uint32_t result = SkChecksum::Murmur3(fData, sizeof(fData));
                     sk_ignore_unused_variable(result);
                 }
             }break;
         }
 
     }
 
 private:
-    typedef SkBenchmark INHERITED;
+    typedef Benchmark INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_BENCH( return new ComputeChecksumBench(kChecksum_ChecksumType); )
 DEF_BENCH( return new ComputeChecksumBench(kMD5_ChecksumType); )
 DEF_BENCH( return new ComputeChecksumBench(kSHA1_ChecksumType); )
 DEF_BENCH( return new ComputeChecksumBench(kMurmur3_ChecksumType); )