chromium/chrome/browser/page_load_metrics/observers/non_tab_webui_page_load_metrics_observer.cc

// Copyright 2023 The Chromium Authors
// 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/observers/non_tab_webui_page_load_metrics_observer.h"

#include "base/strings/strcat.h"
#include "base/trace_event/named_trigger.h"
#include "chrome/browser/ui/webui/top_chrome/webui_contents_preload_manager.h"
#include "components/page_load_metrics/browser/page_load_metrics_util.h"
#include "content/public/common/url_constants.h"

namespace chrome {

const char kNonTabWebUINavigationToLCPHistogramName[] =;

const char kNonTabWebUINavigationToFCPHistogramName[] =;

const char kNonTabWebUIRequestToFCPHistogramName[] =;

std::string GetSuffixedLCPHistogram(std::string_view webui_name) {}

std::string GetSuffixedFCPHistogram(std::string_view webui_name) {}

std::string GetSuffixedRequestToFCPHistogram(std::string_view webui_name) {}

NonTabPageLoadMetricsObserver::NonTabPageLoadMetricsObserver(
    const std::string& webui_name)
    :{}

void NonTabPageLoadMetricsObserver::OnFirstContentfulPaintInPage(
    const page_load_metrics::mojom::PageLoadTiming& timing) {}

void NonTabPageLoadMetricsObserver::OnComplete(
    const page_load_metrics::mojom::PageLoadTiming& timing) {}

page_load_metrics::PageLoadMetricsObserver::ObservePolicy
NonTabPageLoadMetricsObserver::OnFencedFramesStart(
    content::NavigationHandle* navigation_handle,
    const GURL& currently_committed_url) {}

page_load_metrics::PageLoadMetricsObserver::ObservePolicy
NonTabPageLoadMetricsObserver::OnPrerenderStart(
    content::NavigationHandle* navigation_handle,
    const GURL& currently_committed_url) {}

page_load_metrics::PageLoadMetricsObserver::ObservePolicy
NonTabPageLoadMetricsObserver::ShouldObserveScheme(const GURL& url) const {}

}  // namespace chrome