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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 
10 namespace content {
11 
StatsCollectionObserver(RenderViewImpl * render_view)12 StatsCollectionObserver::StatsCollectionObserver(RenderViewImpl* render_view)
13     : RenderViewObserver(render_view) {
14 }
15 
~StatsCollectionObserver()16 StatsCollectionObserver::~StatsCollectionObserver() {
17 }
18 
DidStartLoading()19 void StatsCollectionObserver::DidStartLoading() {
20   DCHECK(start_time_.is_null());
21   start_time_ = base::Time::Now();
22 }
23 
DidStopLoading()24 void 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