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// Copyright 2018 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 "third_party/blink/renderer/core/loader/previews_resource_loading_hints_receiver_impl.h"
#include <vector>
#include "base/metrics/histogram_macros.h"
#include "third_party/blink/renderer/core/loader/document_loader.h"
#include "third_party/blink/renderer/core/loader/previews_resource_loading_hints.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
PreviewsResourceLoadingHintsReceiverImpl::
PreviewsResourceLoadingHintsReceiverImpl(
mojom::blink::PreviewsResourceLoadingHintsReceiverRequest request,
Document* document)
: binding_(this, std::move(request)), document_(document) {}
PreviewsResourceLoadingHintsReceiverImpl::
~PreviewsResourceLoadingHintsReceiverImpl() {}
void PreviewsResourceLoadingHintsReceiverImpl::SetResourceLoadingHints(
mojom::blink::PreviewsResourceLoadingHintsPtr resource_loading_hints) {
// TODO(tbansal): https://crbug.com/856247. Block loading of resources based
// on |resource_loading_hints|.
UMA_HISTOGRAM_COUNTS_100(
"ResourceLoadingHints.CountBlockedSubresourcePatterns",
resource_loading_hints->subresources_to_block.size());
std::vector<WTF::String> subresource_patterns_to_block;
for (const auto& subresource :
resource_loading_hints->subresources_to_block) {
subresource_patterns_to_block.push_back(subresource);
}
document_->Loader()->SetPreviewsResourceLoadingHints(
PreviewsResourceLoadingHints::Create(
*(document_.Get()), resource_loading_hints->ukm_source_id,
subresource_patterns_to_block));
}
} // namespace blink
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