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+From 923797bac92541669bd90bf69515a8bdb7f2c98c Mon Sep 17 00:00:00 2001
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+From: Yoshisato Yanagisawa <[email protected]>
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+Date: Thu, 07 Nov 2024 10:14:59 +0000
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+Subject: [PATCH] [M131] Make GetCacheIdentifier() respect GetSkipServiceWorker().
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+
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+Since the current GetCacheIdentifier() ignores GetSkipServiceWorker(),
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+GetCacheIdentifier() returns ServiceWorkerId even if GetSkipServiceWorker()
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+is true if the ServiceWorker has a fetch handler.
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+
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+To make the isolated world respected as an isolated world, the cache
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+identifier should not be shared with a page under a ServiceWorker control.
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+
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+(cherry picked from commit 75f322ad1f64c0bc56fa77ab877b48d72cdb903c)
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+
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+Bug: 372512079, 373263969
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+Change-Id: Idd2d8900f2f720e0a4dc9837e2eb56474c60b587
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+Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5961018
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+Reviewed-by: Justin Lulejian <[email protected]>
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+Reviewed-by: Kouhei Ueno <[email protected]>
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+Commit-Queue: Yoshisato Yanagisawa <[email protected]>
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+Cr-Original-Commit-Position: refs/heads/main@{#1376006}
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+Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6002191
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+Auto-Submit: Yoshisato Yanagisawa <[email protected]>
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+Commit-Queue: Kouhei Ueno <[email protected]>
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+Cr-Commit-Position: refs/branch-heads/6778@{#1849}
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+Cr-Branched-From: b21671ca172dcfd1566d41a770b2808e7fa7cd88-refs/heads/main@{#1368529}
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+---
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+
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+diff --git a/third_party/blink/renderer/core/html/parser/html_srcset_parser.cc b/third_party/blink/renderer/core/html/parser/html_srcset_parser.cc
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+index d9e38ca..c21939c 100644
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+--- a/third_party/blink/renderer/core/html/parser/html_srcset_parser.cc
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++++ b/third_party/blink/renderer/core/html/parser/html_srcset_parser.cc
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+@@ -418,7 +418,9 @@
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+ KURL url = document->CompleteURL(
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+ StripLeadingAndTrailingHTMLSpaces(image_candidates[i]->Url()));
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+ auto* resource = MemoryCache::Get()->ResourceForURL(
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+- url, document->Fetcher()->GetCacheIdentifier(url));
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++ url,
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++ document->Fetcher()->GetCacheIdentifier(url,
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++ /*skip_service_worker=*/false));
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+ if ((resource && resource->IsLoaded()) || url.ProtocolIsData()) {
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+ return i;
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+ }
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+diff --git a/third_party/blink/renderer/core/inspector/inspector_network_agent.cc b/third_party/blink/renderer/core/inspector/inspector_network_agent.cc
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+index 4b6a8f1b..d414c72 100644
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+--- a/third_party/blink/renderer/core/inspector/inspector_network_agent.cc
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++++ b/third_party/blink/renderer/core/inspector/inspector_network_agent.cc
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+@@ -2440,7 +2440,8 @@
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+ Resource* cached_resource = document->Fetcher()->CachedResource(url);
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+ if (!cached_resource) {
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+ cached_resource = MemoryCache::Get()->ResourceForURL(
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+- url, document->Fetcher()->GetCacheIdentifier(url));
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++ url, document->Fetcher()->GetCacheIdentifier(
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++ url, /*skip_service_worker=*/false));
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+ }
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+ if (cached_resource && InspectorPageAgent::CachedResourceContent(
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+ cached_resource, content, base64_encoded)) {
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+diff --git a/third_party/blink/renderer/core/inspector/inspector_page_agent.cc b/third_party/blink/renderer/core/inspector/inspector_page_agent.cc
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+index 2547b68..59dfb35 100644
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+--- a/third_party/blink/renderer/core/inspector/inspector_page_agent.cc
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++++ b/third_party/blink/renderer/core/inspector/inspector_page_agent.cc
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+@@ -173,7 +173,8 @@
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+ Resource* cached_resource = document->Fetcher()->CachedResource(url);
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+ if (!cached_resource) {
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+ cached_resource = MemoryCache::Get()->ResourceForURL(
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+- url, document->Fetcher()->GetCacheIdentifier(url));
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++ url, document->Fetcher()->GetCacheIdentifier(
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++ url, /*skip_service_worker=*/false));
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+ }
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+ if (!cached_resource)
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+ cached_resource = loader->ResourceForURL(url);
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+diff --git a/third_party/blink/renderer/core/loader/image_loader.cc b/third_party/blink/renderer/core/loader/image_loader.cc
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+index 5275097..7f8ba49 100644
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+--- a/third_party/blink/renderer/core/loader/image_loader.cc
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++++ b/third_party/blink/renderer/core/loader/image_loader.cc
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+@@ -709,7 +709,8 @@
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+ // content when style recalc is over and DOM mutation is allowed again.
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+ if (!url.IsNull()) {
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+ Resource* resource = MemoryCache::Get()->ResourceForURL(
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+- url, element_->GetDocument().Fetcher()->GetCacheIdentifier(url));
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++ url, element_->GetDocument().Fetcher()->GetCacheIdentifier(
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++ url, /*skip_service_worker=*/false));
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+
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+ if (resource && !resource->ErrorOccurred() &&
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+ CanReuseFromListOfAvailableImages(
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+diff --git a/third_party/blink/renderer/core/testing/internals.cc b/third_party/blink/renderer/core/testing/internals.cc
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+index d3e6591..601714a 100644
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+--- a/third_party/blink/renderer/core/testing/internals.cc
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++++ b/third_party/blink/renderer/core/testing/internals.cc
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+@@ -913,8 +913,8 @@
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+ if (!document_)
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+ return false;
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+ const KURL full_url = document_->CompleteURL(url);
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+- const String cache_identifier =
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+- document_->Fetcher()->GetCacheIdentifier(full_url);
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++ const String cache_identifier = document_->Fetcher()->GetCacheIdentifier(
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++ full_url, /*skip_service_worker=*/false);
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+ Resource* resource =
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+ MemoryCache::Get()->ResourceForURL(full_url, cache_identifier);
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+ // We check loader() here instead of isLoading(), because a multipart
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+@@ -926,8 +926,8 @@
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+ if (!document_)
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+ return false;
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+ const KURL full_url = document_->CompleteURL(url);
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+- const String cache_identifier =
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+- document_->Fetcher()->GetCacheIdentifier(full_url);
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++ const String cache_identifier = document_->Fetcher()->GetCacheIdentifier(
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++ full_url, /*skip_service_worker=*/false);
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+ Resource* resource =
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+ MemoryCache::Get()->ResourceForURL(full_url, cache_identifier);
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+ return resource && resource->GetStatus() == ResourceStatus::kCached;
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+diff --git a/third_party/blink/renderer/platform/loader/fetch/resource_fetcher.cc b/third_party/blink/renderer/platform/loader/fetch/resource_fetcher.cc
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+index 8396ba14..06868ae5 100644
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+--- a/third_party/blink/renderer/platform/loader/fetch/resource_fetcher.cc
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++++ b/third_party/blink/renderer/platform/loader/fetch/resource_fetcher.cc
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+@@ -992,7 +992,8 @@
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+ if (!archive_ && factory.GetType() == ResourceType::kRaw)
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+ return nullptr;
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+
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+- const String cache_identifier = GetCacheIdentifier(url);
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++ const String cache_identifier = GetCacheIdentifier(
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++ url, params.GetResourceRequest().GetSkipServiceWorker());
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+ // Most off-main-thread resource fetches use Resource::kRaw and don't reach
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+ // this point, but off-main-thread module fetches might.
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+ if (IsMainThread()) {
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+@@ -1408,7 +1409,10 @@
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+ MakePreloadedResourceBlockOnloadIfNeeded(resource, params);
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+ } else if (IsMainThread()) {
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+ resource = MemoryCache::Get()->ResourceForURL(
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+- params.Url(), GetCacheIdentifier(params.Url()));
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++ params.Url(),
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++ GetCacheIdentifier(
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++ params.Url(),
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++ params.GetResourceRequest().GetSkipServiceWorker()));
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+ if (resource) {
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+ policy = DetermineRevalidationPolicy(resource_type, params, *resource,
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+ is_static_data);
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+@@ -1719,7 +1723,8 @@
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+ const FetchParameters& params,
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+ const ResourceFactory& factory) {
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+ const String cache_identifier =
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+- GetCacheIdentifier(params.GetResourceRequest().Url());
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++ GetCacheIdentifier(params.GetResourceRequest().Url(),
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++ params.GetResourceRequest().GetSkipServiceWorker());
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+ DCHECK(!IsMainThread() || params.IsStaleRevalidation() ||
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+ !MemoryCache::Get()->ResourceForURL(params.GetResourceRequest().Url(),
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+ cache_identifier));
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+@@ -2788,9 +2793,11 @@
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+ to_be_removed.clear();
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+ }
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+
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+-String ResourceFetcher::GetCacheIdentifier(const KURL& url) const {
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+- if (properties_->GetControllerServiceWorkerMode() !=
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+- mojom::ControllerServiceWorkerMode::kNoController) {
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++String ResourceFetcher::GetCacheIdentifier(const KURL& url,
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++ bool skip_service_worker) const {
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++ if (!skip_service_worker &&
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++ properties_->GetControllerServiceWorkerMode() !=
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++ mojom::ControllerServiceWorkerMode::kNoController) {
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+ return String::Number(properties_->ServiceWorkerId());
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+ }
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+
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+diff --git a/third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h b/third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h
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+index 809dd567..46ae3a7 100644
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+--- a/third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h
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++++ b/third_party/blink/renderer/platform/loader/fetch/resource_fetcher.h
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+@@ -278,7 +278,11 @@
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+ uint32_t inflight_keepalive_bytes);
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+ blink::mojom::ControllerServiceWorkerMode IsControlledByServiceWorker() const;
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+
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+- String GetCacheIdentifier(const KURL& url) const;
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++ // Returns a cache identifier for MemoryCache.
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++ // `url` is used for finding a matching WebBundle.
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++ // If `skip_service_worker` is true, the identifier won't be a ServiceWorker's
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++ // identifier to keep the cache separated.
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++ String GetCacheIdentifier(const KURL& url, bool skip_service_worker) const;
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+
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+ // If `url` exists as a resource in a subresource bundle in this frame,
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+ // returns its UnguessableToken; otherwise, returns std::nullopt.
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