1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/renderer/stats_collection_observer.h"
6
7#include "base/time/time.h"
8#include "content/renderer/render_view_impl.h"
9
10namespace content {
11
12StatsCollectionObserver::StatsCollectionObserver(RenderViewImpl* render_view)
13    : RenderViewObserver(render_view) {
14}
15
16StatsCollectionObserver::~StatsCollectionObserver() {
17}
18
19void StatsCollectionObserver::DidStartLoading() {
20  DCHECK(start_time_.is_null());
21  start_time_ = base::Time::Now();
22}
23
24void StatsCollectionObserver::DidStopLoading() {
25  DCHECK(stop_time_.is_null());
26  stop_time_ = base::Time::Now();
27
28  // Stop observing so we don't get called again.
29  RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view());
30  impl->RemoveObserver(this);
31}
32
33}  // namespace content
34