Move BenchTimer to tools as Timer

tools/timer/SysTimer_mach.h

Index: tools/timer/SysTimer_mach.h
diff --git a/bench/BenchSysTimer_mach.h b/tools/timer/SysTimer_mach.h
similarity index 79%
rename from bench/BenchSysTimer_mach.h
rename to tools/timer/SysTimer_mach.h
index 44d0e5eb49a2bda1cecabe5237461fab09cc68ec..8c21d57b36723106f8e4750fa8f8f167b4ee33a7 100644
--- a/bench/BenchSysTimer_mach.h
+++ b/tools/timer/SysTimer_mach.h
@@ -1,18 +1,16 @@
-
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
-#ifndef SkBenchSysTimer_DEFINED
-#define SkBenchSysTimer_DEFINED
+#ifndef SysTimer_DEFINED
+#define SysTimer_DEFINED
 
-//Time
 #include <mach/mach.h>
 #include <mach/mach_time.h>
 
-class BenchSysTimer {
+class SysTimer {
 public:
     void startWall();
     void startCpu();