Revert of Move BenchTimer to tools as Timer (https://codereview.chromium.org/344213003/)

Reason for revert:
GpuTimer broken

Original issue's description:
> Move BenchTimer to tools as Timer
>
> This breaks a bunch of circular dependencies between tools and gm and bench.
>
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/4ed75287aed6371c6e4a41ffcc78c8a49c9810ed

R=tfarina@chromium.org, mtklein@chromium.org
TBR=mtklein@chromium.org, tfarina@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Author: mtklein@google.com

Review URL: https://codereview.chromium.org/346753003

1 files changed, 0 insertions, 56 deletions

diff --git a/tools/timer/SysTimer_windows.cpp b/tools/timer/SysTimer_windows.cpp
deleted file mode 100644
index 2f9d0a5d58..0000000000
--- a/tools/timer/SysTimer_windows.cpp
+++ /dev/null
@@ -1,56 +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.
- */
-#include "SysTimer_windows.h"
-
-static ULONGLONG win_cpu_time() {
-    FILETIME createTime;
-    FILETIME exitTime;
-    FILETIME usrTime;
-    FILETIME sysTime;
-    if (0 == GetProcessTimes(GetCurrentProcess(), &createTime, &exitTime, &sysTime, &usrTime)) {
-        return 0;
-    }
-    ULARGE_INTEGER start_cpu_sys;
-    ULARGE_INTEGER start_cpu_usr;
-    start_cpu_sys.LowPart  = sysTime.dwLowDateTime;
-    start_cpu_sys.HighPart = sysTime.dwHighDateTime;
-    start_cpu_usr.LowPart  = usrTime.dwLowDateTime;
-    start_cpu_usr.HighPart = usrTime.dwHighDateTime;
-    return start_cpu_sys.QuadPart + start_cpu_usr.QuadPart;
-}
-
-void SysTimer::startWall() {
-    if (0 == ::QueryPerformanceCounter(&fStartWall)) {
-        fStartWall.QuadPart = 0;
-    }
-}
-void SysTimer::startCpu() {
-    fStartCpu = win_cpu_time();
-}
-
-double SysTimer::endCpu() {
-    ULONGLONG end_cpu = win_cpu_time();
-    return static_cast<double>(end_cpu - fStartCpu) / 10000.0L;
-}
-double SysTimer::endWall() {
-    LARGE_INTEGER end_wall;
-    if (0 == ::QueryPerformanceCounter(&end_wall)) {
-        end_wall.QuadPart = 0;
-    }
-
-    LARGE_INTEGER ticks_elapsed;
-    ticks_elapsed.QuadPart = end_wall.QuadPart - fStartWall.QuadPart;
-
-    LARGE_INTEGER frequency;
-    if (0 == ::QueryPerformanceFrequency(&frequency)) {
-        return 0.0L;
-    } else {
-        return static_cast<double>(ticks_elapsed.QuadPart)
-             / static_cast<double>(frequency.QuadPart)
-             * 1000.0L;
-    }
-}