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 12 StatsCollectionObserver::StatsCollectionObserver(RenderViewImpl* render_view) 13 : RenderViewObserver(render_view) { 14 } 15 16 StatsCollectionObserver::~StatsCollectionObserver() { 17 } 18 19 void StatsCollectionObserver::DidStartLoading() { 20 DCHECK(start_time_.is_null()); 21 start_time_ = base::TimeTicks::Now(); 22 } 23 24 void StatsCollectionObserver::DidStopLoading() { 25 DCHECK(stop_time_.is_null()); 26 stop_time_ = base::TimeTicks::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
