Remove Sk prefix from some bench classes.

bench/RectoriBench.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 "SkBlurMaskFilter.h"
 #include "SkCanvas.h"
+#include "SkLayerDrawLooper.h"
 #include "SkPaint.h"
 #include "SkRandom.h"
-#include "SkBlurMaskFilter.h"
-#include "SkLayerDrawLooper.h"
 
 // This bench replicates a problematic use case of a draw looper used
 // to create an inner blurred rect
-class RectoriBench : public SkBenchmark {
+class RectoriBench : public Benchmark {
 public:
     RectoriBench() {}
 
 protected:
 
     virtual const char* onGetName() {
         return "rectori";
     }
 
     virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
@@ skipping 63 matching lines @@
         paint->setMaskFilter(mf)->unref();
 
         //-----------------------------------------------
         info.fPaintBits = 0;
         info.fOffset.set(0, 0);
 
         paint = looperBuilder.addLayer(info);
         return looperBuilder.detachLooper();
     }
 
-    typedef SkBenchmark INHERITED;
+    typedef Benchmark INHERITED;
 };
 
 DEF_BENCH( return SkNEW_ARGS(RectoriBench, ()); )