Move base to DEPS

base/time/default_tick_clock.h

Index: base/time/default_tick_clock.h
diff --git a/base/time/default_tick_clock.h b/base/time/default_tick_clock.h
deleted file mode 100644
index cb041e6124ab6e5c3d76e1c97e99a951b8c4713d..0000000000000000000000000000000000000000
--- a/base/time/default_tick_clock.h
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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.
-
-#ifndef BASE_TIME_DEFAULT_TICK_CLOCK_H_
-#define BASE_TIME_DEFAULT_TICK_CLOCK_H_
-
-#include "base/base_export.h"
-#include "base/compiler_specific.h"
-#include "base/time/tick_clock.h"
-
-namespace base {
-
-// DefaultClock is a Clock implementation that uses TimeTicks::Now().
-class BASE_EXPORT DefaultTickClock : public TickClock {
- public:
-  ~DefaultTickClock() override;
-
-  // Simply returns TimeTicks::Now().
-  TimeTicks NowTicks() override;
-};
-
-}  // namespace base
-
-#endif  // BASE_TIME_DEFAULT_TICK_CLOCK_H_