Move BenchTimer to tools as Timer

tools/timer/TimerData.h

Index: tools/timer/TimerData.h
diff --git a/bench/TimerData.h b/tools/timer/TimerData.h
similarity index 91%
rename from bench/TimerData.h
rename to tools/timer/TimerData.h
index fb84df1a9eb7950ea503fcadaaea11b6a384645b..35e94dca1db90459cd76685fa869c8c5b87d3ffe 100644
--- a/bench/TimerData.h
+++ b/tools/timer/TimerData.h
@@ -1,4 +1,3 @@
-
 /*
  * Copyright 2012 Google Inc.
  *
@@ -23,7 +22,7 @@
     #pragma warning(pop)
 #endif
 
-class BenchTimer;
+class Timer;
 
 class TimerData {
 public:
@@ -33,12 +32,12 @@ public:
     explicit TimerData(int maxNumTimings);
 
     /**
-     * Collect times from the BenchTimer for an iteration. It will fail if called more often than
+     * Collect times from the Timer for an iteration. It will fail if called more often than
      * indicated in the constructor.
      *
-     * @param BenchTimer Must not be null.
+     * @param Timer Must not be null.
      */
-    bool appendTimes(BenchTimer*);
+    bool appendTimes(Timer*);
 
     enum Result {
         kMin_Result,