Move files in wtf/ to platform/wtf/ (Part 3).

third_party/WebKit/Source/wtf/Time.h

-// Copyright 2016 The Chromium Authors. All rights reserved.
+// Copyright 2017 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 WTF_Time_h
-#define WTF_Time_h
+#include "platform/wtf/Time.h"
 
-#include "base/time/time.h"
-#include "wtf/CurrentTime.h"
-
-namespace WTF {
-// Provides thin wrappers around the following basic time types from
-// base/time package:
-//
-//  - WTF::TimeDelta is an alias for base::TimeDelta and represents a duration
-//    of time.
-//  - WTF::TimeTicks wraps base::TimeTicks and represents a monotonic time
-//    value.
-//  - WTF::Time wraps base::Time and represents a wall time value.
-//
-// For usage guideline please see the documentation in base/time/time.h
-
-using TimeDelta = base::TimeDelta;
-
-namespace internal {
-
-template <class WrappedTimeType>
-class TimeWrapper {
- public:
-  TimeWrapper() {}
-
-  static TimeWrapper Now() {
-    if (WTF::getTimeFunctionForTesting()) {
-      double seconds = (WTF::getTimeFunctionForTesting())();
-      return TimeWrapper() + TimeDelta::FromSecondsD(seconds);
-    }
-    return TimeWrapper(WrappedTimeType::Now());
-  }
-
-  int64_t ToInternalValueForTesting() const {
-    return m_value.ToInternalValue();
-  }
-
-  // Only use this conversion when interfacing with legacy code that represents
-  // time in double. Converting to double can lead to losing information for
-  // large time values.
-  double InSeconds() const {
-    return (m_value - WrappedTimeType()).InSecondsF();
-  }
-
-  static TimeWrapper FromSeconds(double seconds) {
-    return WrappedTimeType() + TimeDelta::FromSecondsD(seconds);
-  }
-
-  TimeWrapper& operator=(TimeWrapper other) {
-    m_value = other.m_value;
-    return *this;
-  }
-
-  TimeDelta operator-(TimeWrapper other) const {
-    return m_value - other.m_value;
-  }
-
-  TimeWrapper operator+(TimeDelta delta) const {
-    return TimeWrapper(m_value + delta);
-  }
-  TimeWrapper operator-(TimeDelta delta) const {
-    return TimeWrapper(m_value - delta);
-  }
-
-  TimeWrapper& operator+=(TimeDelta delta) {
-    m_value += delta;
-    return *this;
-  }
-  TimeWrapper& operator-=(TimeDelta delta) {
-    m_value -= delta;
-    return *this;
-  }
-
-  bool operator==(TimeWrapper other) const { return m_value == other.m_value; }
-  bool operator!=(TimeWrapper other) const { return m_value != other.m_value; }
-  bool operator<(TimeWrapper other) const { return m_value < other.m_value; }
-  bool operator<=(TimeWrapper other) const { return m_value <= other.m_value; }
-  bool operator>(TimeWrapper other) const { return m_value > other.m_value; }
-  bool operator>=(TimeWrapper other) const { return m_value >= other.m_value; }
-
- private:
-  WrappedTimeType m_value;
-  TimeWrapper(WrappedTimeType value) : m_value(value) {}
-};
-
-}  // namespace internal
-
-using Time = internal::TimeWrapper<base::Time>;
-using TimeTicks = internal::TimeWrapper<base::TimeTicks>;
-
-}  // namespace WTF
-
-using WTF::Time;
-using WTF::TimeDelta;
-using WTF::TimeTicks;
-
-#endif  // Time_h
+// The contents of this header was moved to platform/wtf as part of
+// WTF migration project. See the following post for details:
+// https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gYCAAJ