Remove Sk prefix from some bench classes.

bench/CoverageBench.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 "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkColorPriv.h"
 #include "SkDraw.h"
 #include "SkMatrix.h"
 #include "SkPath.h"
 #include "SkRasterClip.h"
 
-class DrawPathBench : public SkBenchmark {
+class DrawPathBench : public Benchmark {
     SkPaint     fPaint;
     SkString    fName;
     SkPath      fPath;
     SkRasterClip fRC;
     SkBitmap    fBitmap;
     SkMatrix    fIdentity;
     SkDraw      fDraw;
     bool        fDrawCoverage;
 public:
     DrawPathBench(bool drawCoverage) : fDrawCoverage(drawCoverage) {
@@ skipping 26 matching lines @@
                 fDraw.drawPathCoverage(fPath, fPaint);
             }
         } else {
             for (int i = 0; i < loops; ++i) {
                 fDraw.drawPath(fPath, fPaint);
             }
         }
     }
 
 private:
-    typedef SkBenchmark INHERITED;
+    typedef Benchmark INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_BENCH( return new DrawPathBench(false) )
 DEF_BENCH( return new DrawPathBench(true) )