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

base/timer/hi_res_timer_manager_posix.cc

Index: base/timer/hi_res_timer_manager_posix.cc
diff --git a/base/hi_res_timer_manager_posix.cc b/base/timer/hi_res_timer_manager_posix.cc
similarity index 86%
rename from base/hi_res_timer_manager_posix.cc
rename to base/timer/hi_res_timer_manager_posix.cc
index 7c16eb7c0063a3b6710ef244eba143dd55b2b75f..d2f152c8c0120af4cc2202d3b571c0410bc85239 100644
--- a/base/hi_res_timer_manager_posix.cc
+++ b/base/timer/hi_res_timer_manager_posix.cc
@@ -2,10 +2,12 @@
 // 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"
+#include "base/timer/hi_res_timer_manager.h"
 
 // On POSIX we don't need to do anything special with the system timer.
 
+namespace base {
+
 HighResolutionTimerManager::HighResolutionTimerManager()
     : hi_res_clock_available_(false) {
 }
@@ -18,3 +20,5 @@ void HighResolutionTimerManager::OnPowerStateChange(bool on_battery_power) {
 
 void HighResolutionTimerManager::UseHiResClock(bool use) {
 }
+
+}  // namespace base