Define parameter structs of resource messages out of resource_messages.h

content/child/request_extra_data.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_CHILD_REQUEST_EXTRA_DATA_H_
 #define CONTENT_CHILD_REQUEST_EXTRA_DATA_H_
 
 #include <utility>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "content/child/web_url_loader_impl.h"
 #include "content/common/content_export.h"
 #include "content/common/navigation_params.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "ui/base/page_transition_types.h"
 
 namespace content {
 
 // Can be used by callers to store extra data on every ResourceRequest
-// which will be incorporated into the ResourceHostMsg_Request message
+// which will be incorporated into the ResourceHostMsg_RequestResource message
 // sent by ResourceDispatcher.
 class CONTENT_EXPORT RequestExtraData
     : public NON_EXPORTED_BASE(blink::WebURLRequest::ExtraData) {
  public:
   RequestExtraData();
   ~RequestExtraData() override;
 
   blink::WebPageVisibilityState visibility_state() const {
     return visibility_state_;
   }
@@ skipping 116 matching lines @@
   blink::WebString requested_with_;
   std::unique_ptr<StreamOverrideParameters> stream_override_;
   LoFiState lofi_state_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestExtraData);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_REQUEST_EXTRA_DATA_H_