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

base/time/time_win_unittest.cc

 // Copyright (c) 2012 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 <windows.h>
 #include <mmsystem.h>
 #include <process.h>
 
 #include "base/threading/platform_thread.h"
-#include "base/time.h"
+#include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::Time;
 using base::TimeDelta;
 using base::TimeTicks;
 
 namespace {
 
 class MockTimeTicks : public TimeTicks {
  public:
@@ skipping 209 matching lines @@
     total_drift += drift_microseconds;
   }
 
   // Sanity check. We expect some time drift to occur, especially across
   // the number of iterations we do.
   EXPECT_LT(0, total_drift);
 
   printf("average time drift in microseconds: %lld\n",
          total_drift / kIterations);
 }