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// Copyright 2015 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.
#include "chrome/browser/page_load_metrics/page_load_metrics_initialize.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/page_load_metrics/observers/from_gws_page_load_metrics_observer.h"
#include "chrome/browser/page_load_metrics/observers/google_captcha_observer.h"
#include "chrome/browser/page_load_metrics/observers/stale_while_revalidate_metrics_observer.h"
#include "chrome/browser/prerender/prerender_contents.h"
#include "components/page_load_metrics/browser/metrics_web_contents_observer.h"
#include "components/rappor/rappor_service.h"
#include "content/public/browser/web_contents.h"
namespace chrome {
void InitializePageLoadMetricsForWebContents(
content::WebContents* web_contents) {
page_load_metrics::MetricsWebContentsObserver::CreateForWebContents(
web_contents,
make_scoped_ptr(new PageLoadMetricsEmbedder()));
}
PageLoadMetricsEmbedder::~PageLoadMetricsEmbedder() {}
void PageLoadMetricsEmbedder::RegisterObservers(
page_load_metrics::PageLoadTracker* tracker) {
// These classes are owned by the metrics.
tracker->AddObserver(make_scoped_ptr(new FromGWSPageLoadMetricsObserver()));
tracker->AddObserver(
make_scoped_ptr(new google_captcha_observer::GoogleCaptchaObserver()));
// TODO(ricea): Remove this in April 2016 or before. crbug.com/348877
tracker->AddObserver(
make_scoped_ptr(new chrome::StaleWhileRevalidateMetricsObserver()));
}
rappor::RapporService*
PageLoadMetricsEmbedder::GetRapporService() {
// During the browser process shutdown path, calling this getter can
// reinitialize multiple destroyed objects. This alters shutdown ordering.
if (g_browser_process->IsShuttingDown())
return nullptr;
return g_browser_process->rappor_service();
}
bool PageLoadMetricsEmbedder::IsPrerendering(
content::WebContents* web_contents) {
return prerender::PrerenderContents::FromWebContents(web_contents) != nullptr;
}
} // namespace chrome
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