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- // Copyright (c) 2011 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 "components/no_state_prefetch/browser/no_state_prefetch_utils.h"
- #include "base/metrics/histogram_macros.h"
- #include "base/time/time.h"
- #include "components/google/core/common/google_util.h"
- #include "components/no_state_prefetch/browser/no_state_prefetch_manager.h"
- #include "content/public/browser/navigation_handle.h"
- #include "content/public/browser/web_contents.h"
- #include "services/metrics/public/cpp/metrics_utils.h"
- #include "services/metrics/public/cpp/ukm_builders.h"
- #include "services/metrics/public/cpp/ukm_recorder.h"
- #include "url/gurl.h"
- #include "url/url_constants.h"
- namespace prerender {
- bool IsGoogleOriginURL(const GURL& origin_url) {
- // ALLOW_NON_STANDARD_PORTS for integration tests with the embedded server.
- if (!google_util::IsGoogleDomainUrl(origin_url,
- google_util::DISALLOW_SUBDOMAIN,
- google_util::ALLOW_NON_STANDARD_PORTS)) {
- return false;
- }
- return (origin_url.path_piece() == "/") ||
- google_util::IsGoogleSearchUrl(origin_url);
- }
- void RecordNoStatePrefetchMetrics(
- content::NavigationHandle* navigation_handle,
- ukm::SourceId source_id,
- NoStatePrefetchManager* no_state_prefetch_manager) {
- DCHECK(no_state_prefetch_manager);
- const std::vector<GURL>& redirects = navigation_handle->GetRedirectChain();
- base::TimeDelta prefetch_age;
- FinalStatus final_status;
- Origin prefetch_origin;
- bool nostate_prefetch_entry_found =
- no_state_prefetch_manager->GetPrefetchInformation(
- navigation_handle->GetURL(), &prefetch_age, &final_status,
- &prefetch_origin);
- // Try the URLs from the redirect chain.
- if (!nostate_prefetch_entry_found) {
- for (const auto& url : redirects) {
- nostate_prefetch_entry_found =
- no_state_prefetch_manager->GetPrefetchInformation(
- url, &prefetch_age, &final_status, &prefetch_origin);
- if (nostate_prefetch_entry_found)
- break;
- }
- }
- if (!nostate_prefetch_entry_found)
- return;
- ukm::builders::NoStatePrefetch builder(source_id);
- builder.SetPrefetchedRecently_PrefetchAge(
- ukm::GetExponentialBucketMinForUserTiming(prefetch_age.InMilliseconds()));
- builder.SetPrefetchedRecently_FinalStatus(final_status);
- builder.SetPrefetchedRecently_Origin(prefetch_origin);
- builder.Record(ukm::UkmRecorder::Get());
- }
- } // namespace prerender
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