Move timing files into base/time, install forwarding headers.

base/hi_res_timer_manager_posix.cc

Index: base/hi_res_timer_manager_posix.cc
diff --git a/base/hi_res_timer_manager_posix.cc b/base/hi_res_timer_manager_posix.cc
deleted file mode 100644
index 7c16eb7c0063a3b6710ef244eba143dd55b2b75f..0000000000000000000000000000000000000000
--- a/base/hi_res_timer_manager_posix.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/hi_res_timer_manager.h"
-
-// On POSIX we don't need to do anything special with the system timer.
-
-HighResolutionTimerManager::HighResolutionTimerManager()
-    : hi_res_clock_available_(false) {
-}
-
-HighResolutionTimerManager::~HighResolutionTimerManager() {
-}
-
-void HighResolutionTimerManager::OnPowerStateChange(bool on_battery_power) {
-}
-
-void HighResolutionTimerManager::UseHiResClock(bool use) {
-}