Revert of Move BenchTimer to tools as Timer

tools/timer/Timer.h

Index: tools/timer/Timer.h
diff --git a/tools/timer/Timer.h b/tools/timer/Timer.h
deleted file mode 100644
index 7a91ac6e537eb1e4a5f210b945435d53ee9bbdfd..0000000000000000000000000000000000000000
--- a/tools/timer/Timer.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * 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 Timer_DEFINED
-#define Timer_DEFINED
-
-#include "SkTypes.h"
-
-#if defined(SK_BUILD_FOR_WIN32)
-    #include "SysTimer_windows.h"
-#elif defined(SK_BUILD_FOR_MAC)
-    #include "SysTimer_mach.h"
-#elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_ANDROID)
-    #include "SysTimer_posix.h"
-#endif
-
-#if SK_SUPPORT_GPU
-    #include "GpuTimer.h"
-#endif
-
-class SkGLContextHelper;
-
-/**
- * SysTimers and GpuTimers are implemented orthogonally.
- * This class combines 2 SysTimers and a GpuTimer into one single,
- * platform specific Timer with a simple interface. The truncated
- * timer doesn't include the time required for the GPU to finish
- * its rendering. It should always be <= the un-truncated system
- * times and (for GPU configurations) can be used to roughly (very
- * roughly) gauge the GPU load/backlog.
- */
-class Timer {
-public:
-    explicit Timer(SkGLContextHelper* gl = NULL);
-
-    void start();
-    void truncatedEnd();
-    void end();
-
-    // All times in milliseconds.
-    double fCpu;
-    double fWall;
-    double fTruncatedCpu;
-    double fTruncatedWall;
-    double fGpu;
-
-private:
-    SysTimer fSysTimer;
-    SysTimer fTruncatedSysTimer;
-#if SK_SUPPORT_GPU
-    GpuTimer fGpuTimer;
-#endif
-};
-
-// Same as Timer above, supporting only fWall but with much lower overhead.
-// (Typically, ~30ns instead of Timer's ~1us.)
-class WallTimer {
-public:
-    WallTimer();
-
-    void start();
-    void end();
-
-    double fWall;  // Milliseconds.
-
-private:
-    SysTimer fSysTimer;
-};
-
-#endif