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third_party/WebKit/Source/core/loader/WorkerFetchContext.h

Index: third_party/WebKit/Source/core/loader/WorkerFetchContext.h
diff --git a/third_party/WebKit/Source/core/loader/WorkerFetchContext.h b/third_party/WebKit/Source/core/loader/WorkerFetchContext.h
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index 0000000000000000000000000000000000000000..1bcaad9b0ce1a91534e82680aa3714cfd7e8ca29
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+++ b/third_party/WebKit/Source/core/loader/WorkerFetchContext.h
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+// Copyright 2017 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.
+
+#ifndef WorkerFetchContext_h
+#define WorkerFetchContext_h
+
+#include <memory>
+#include "core/CoreExport.h"
+#include "platform/Supplementable.h"
+#include "platform/loader/fetch/FetchContext.h"
+#include "platform/wtf/Forward.h"
+
+namespace blink {
+
+class ResourceFetcher;
+class WebTaskRunner;
+class WebURLLoader;
+class WebWorkerFetchContext;
+class WorkerClients;
+class WorkerGlobalScope;
+
+CORE_EXPORT void ProvideWorkerFetchContextToWorker(
+    WorkerClients*,
+    std::unique_ptr<WebWorkerFetchContext>);
+
+// The WorkerFetchContext is a FetchContext for workers (dedicated, shared and
+// service workers). This class is used only when off-main-thread-fetch is
+// enabled, and is still under development.
+// TODO(horo): Implement all methods of FetchContext. crbug.com/443374
+class WorkerFetchContext final : public FetchContext {
+ public:
+  static WorkerFetchContext* Create(WorkerGlobalScope&);
+  virtual ~WorkerFetchContext();
+
+  ResourceFetcher* GetResourceFetcher();
+
+  // FetchContext implementation:
+  WebURLLoader* CreateURLLoader() override;
+  void PrepareRequest(ResourceRequest&, RedirectType) override;
+  bool IsControlledByServiceWorker() const override;
+  int64_t ServiceWorkerID() const override;
+  ResourceRequestBlockedReason CanRequest(
+      Resource::Type,
+      const ResourceRequest&,
+      const KURL&,
+      const ResourceLoaderOptions&,
+      SecurityViolationReportingPolicy,
+      FetchParameters::OriginRestriction) const override;
+  void AddAdditionalRequestHeaders(ResourceRequest&,
+                                   FetchResourceType) override;
+  void DispatchWillSendRequest(unsigned long,
+                               ResourceRequest&,
+                               const ResourceResponse&,
+                               const FetchInitiatorInfo&) override;
+  void DispatchDidReceiveResponse(unsigned long identifier,
+                                  const ResourceResponse&,
+                                  WebURLRequest::FrameType,
+                                  WebURLRequest::RequestContext,
+                                  Resource*,
+                                  ResourceResponseType) override;
+  void DispatchDidReceiveData(unsigned long identifier,
+                              const char* data,
+                              int dataLength) override;
+  void DispatchDidReceiveEncodedData(unsigned long identifier,
+                                     int encodedDataLength) override;
+  void DispatchDidFinishLoading(unsigned long identifier,
+                                double finishTime,
+                                int64_t encodedDataLength,
+                                int64_t decodedBodyLength) override;
+  void DispatchDidFail(unsigned long identifier,
+                       const ResourceError&,
+                       int64_t encodedDataLength,
+                       bool isInternalRequest) override;
+  ResourceRequestBlockedReason AllowResponse(
+      Resource::Type,
+      const ResourceRequest&,
+      const KURL&,
+      const ResourceLoaderOptions&) const override;
+  void AddResourceTiming(const ResourceTimingInfo&) override;
+  RefPtr<WebTaskRunner> LoadingTaskRunner() const override;
+  RefPtr<WebTaskRunner> TimerTaskRunner() const override;
+  Resource::ResourceCallback* GetResourceCallback() override;
+
+  DECLARE_VIRTUAL_TRACE();
+
+ private:
+  class WorkerResourceCallback;
+  WorkerFetchContext(WorkerGlobalScope&,
+                     std::unique_ptr<WebWorkerFetchContext>);
+  void InitializeOnWorkerThread(WorkerGlobalScope&);
+
+  ResourceRequestBlockedReason CanRequestInternal(
+      Resource::Type,
+      const ResourceRequest&,
+      const KURL&,
+      const ResourceLoaderOptions&,
+      SecurityViolationReportingPolicy,
+      FetchParameters::OriginRestriction,
+      ResourceRequest::RedirectStatus) const;
+
+  Member<WorkerGlobalScope> worker_global_scope_;
+  std::unique_ptr<WebWorkerFetchContext> web_context_;
+  Member<ResourceFetcher> resource_fetcher_;
+  RefPtr<WebTaskRunner> loading_task_runner_;
+  RefPtr<WebTaskRunner> timer_task_runner_;
+  Member<WorkerResourceCallback> resource_callback_;
+};
+
+}  // namespace blink
+
+#endif  // WorkerFetchContext_h