content::ResourceDispatcherHostImpl changes for stale-while-revalidate

content/browser/loader/resource_request_info_impl.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_LOADER_RESOURCE_REQUEST_INFO_IMPL_H_
 #define CONTENT_BROWSER_LOADER_RESOURCE_REQUEST_INFO_IMPL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 46 matching lines @@
       bool is_stream,
       bool allow_download,
       bool has_user_gesture,
       bool enable_load_timing,
       bool enable_upload_progress,
       bool do_not_prompt_for_login,
       blink::WebReferrerPolicy referrer_policy,
       blink::WebPageVisibilityState visibility_state,
       ResourceContext* context,
       base::WeakPtr<ResourceMessageFilter> filter,
-      bool is_async);
+      bool is_async,
+      const std::string& original_headers);
   ~ResourceRequestInfoImpl() override;
 
   // ResourceRequestInfo implementation:
   ResourceContext* GetContext() const override;
   int GetChildID() const override;
   int GetRouteID() const override;
   int GetOriginPID() const override;
   int GetRequestID() const override;
   int GetRenderFrameID() const override;
   bool IsMainFrame() const override;
@@ skipping 93 matching lines @@
   void set_memory_cost(int cost) { memory_cost_ = cost; }
 
   bool is_load_timing_enabled() const { return enable_load_timing_; }
 
   bool is_upload_progress_enabled() const { return enable_upload_progress_; }
 
   bool do_not_prompt_for_login() const { return do_not_prompt_for_login_; }
   void set_do_not_prompt_for_login(bool do_not_prompt) {
     do_not_prompt_for_login_ = do_not_prompt;
   }
+  const std::string& original_headers() const {
+    return original_headers_;
+  }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            DeletedFilterDetached);
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            DeletedFilterDetachedRedirect);
   // Non-owning, may be NULL.
   CrossSiteResourceHandler* cross_site_handler_;
   DetachableResourceHandler* detachable_handler_;
 
@@ skipping 20 matching lines @@
   ResourceType resource_type_;
   ui::PageTransition transition_type_;
   int memory_cost_;
   blink::WebReferrerPolicy referrer_policy_;
   blink::WebPageVisibilityState visibility_state_;
   ResourceContext* context_;
   // The filter might be deleted without deleting this object if the process
   // exits during a transfer.
   base::WeakPtr<ResourceMessageFilter> filter_;
   bool is_async_;
+  const std::string original_headers_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceRequestInfoImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_REQUEST_INFO_IMPL_H_