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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/dom/performance_timing.h"
namespace cobalt {
namespace dom {
PerformanceTiming::PerformanceTiming(
const scoped_refptr<base::BasicClock>& clock)
: navigation_start_(base::Time::Now() - base::Time::UnixEpoch()),
navigation_start_clock_(new base::OffsetClock(clock, clock->Now())) {}
PerformanceTiming::~PerformanceTiming() {}
uint64 PerformanceTiming::navigation_start() const {
return static_cast<uint64>(navigation_start_.InMilliseconds());
}
scoped_refptr<base::OffsetClock> PerformanceTiming::GetNavigationStartClock() {
return navigation_start_clock_;
}
} // namespace dom
} // namespace cobalt