Reland another small part of r267947. Second attempt.

content/child/resource_dispatcher.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.
 
 // See http://dev.chromium.org/developers/design-documents/multi-process-resource-loading
 
 #ifndef CONTENT_CHILD_RESOURCE_DISPATCHER_H_
 #define CONTENT_CHILD_RESOURCE_DISPATCHER_H_
 
 #include <deque>
@@ skipping 34 matching lines @@
 
   // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // Creates a ResourceLoaderBridge for this type of dispatcher, this is so
   // this can be tested regardless of the ResourceLoaderBridge::Create
   // implementation.
   webkit_glue::ResourceLoaderBridge* CreateBridge(
       const RequestInfo& request_info);
 
-  // Adds a request from the pending_requests_ list, returning the new
-  // requests' ID
+  // Adds a request from the |pending_requests_| list, returning the new
+  // requests' ID.
   int AddPendingRequest(RequestPeer* callback,
                         ResourceType::Type resource_type,
                         int origin_pid,
                         const GURL& frame_origin,
-                        const GURL& request_url);
+                        const GURL& request_url,
+                        bool download_to_file);
 
-  // Removes a request from the pending_requests_ list, returning true if the
+  // Removes a request from the |pending_requests_| list, returning true if the
   // request was found and removed.
   bool RemovePendingRequest(int request_id);
 
-  // Cancels a request in the pending_requests_ list.
+  // Cancels a request in the |pending_requests_| list.
   void CancelPendingRequest(int request_id);
 
-  IPC::Sender* message_sender() const {
-    return message_sender_;
-  }
-
   // Toggles the is_deferred attribute for the specified request.
   void SetDefersLoading(int request_id, bool value);
 
   // Indicates the priority of the specified request changed.
-  void DidChangePriority(int routing_id, int request_id,
+  void DidChangePriority(int routing_id,
+                         int request_id,
                          net::RequestPriority new_priority,
                          int intra_priority_value);
 
+  IPC::Sender* message_sender() const { return message_sender_; }
+
   // This does not take ownership of the delegate. It is expected that the
   // delegate have a longer lifetime than the ResourceDispatcher.
   void set_delegate(ResourceDispatcherDelegate* delegate) {
     delegate_ = delegate;
   }
 
   // Remembers IO thread timestamp for next resource message.
   void set_io_timestamp(base::TimeTicks io_timestamp) {
     io_timestamp_ = io_timestamp;
   }
 
  private:
   friend class ResourceDispatcherTest;
 
   typedef std::deque<IPC::Message*> MessageQueue;
   struct PendingRequestInfo {
     PendingRequestInfo();
 
     PendingRequestInfo(RequestPeer* peer,
                        ResourceType::Type resource_type,
                        int origin_pid,
                        const GURL& frame_origin,
-                       const GURL& request_url);
+                       const GURL& request_url,
+                       bool download_to_file);
 
     ~PendingRequestInfo();
 
     RequestPeer* peer;
     ResourceType::Type resource_type;
     // The PID of the original process which issued this request. This gets
     // non-zero only for a request proxied by another renderer, particularly
     // requests from plugins.
     int origin_pid;
     MessageQueue deferred_message_queue;
     bool is_deferred;
     bool is_canceled;
     // Original requested url.
     GURL url;
     // The security origin of the frame that initiates this request.
     GURL frame_origin;
     // The url of the latest response even in case of redirection.
     GURL response_url;
+    bool download_to_file;
     linked_ptr<IPC::Message> pending_redirect_message;
     base::TimeTicks request_start;
     base::TimeTicks response_start;
     base::TimeTicks completion_time;
     linked_ptr<base::SharedMemory> buffer;
     linked_ptr<SiteIsolationResponseMetaData> site_isolation_metadata;
     bool blocked_response;
     int buffer_size;
   };
   typedef base::hash_map<int, PendingRequestInfo> PendingRequestList;
 
   // Helper to lookup the info based on the request_id.
   // May return NULL if the request as been canceled from the client side.
   PendingRequestInfo* GetPendingRequestInfo(int request_id);
 
   // Follows redirect, if any, for the given request.
   void FollowPendingRedirect(int request_id, PendingRequestInfo& request_info);
 
   // Message response handlers, called by the message handler for this process.
-  void OnUploadProgress(
-      int request_id,
-      int64 position,
-      int64 size);
+  void OnUploadProgress(int request_id, int64 position, int64 size);
   void OnReceivedResponse(int request_id, const ResourceResponseHead&);
   void OnReceivedCachedMetadata(int request_id, const std::vector<char>& data);
-  void OnReceivedRedirect(
-      int request_id,
-      const GURL& new_url,
-      const ResourceResponseHead& response_head);
-  void OnSetDataBuffer(
-      int request_id,
-      base::SharedMemoryHandle shm_handle,
-      int shm_size,
-      base::ProcessId renderer_pid);
-  void OnReceivedData(
-      int request_id,
-      int data_offset,
-      int data_length,
-      int encoded_data_length);
-  void OnDownloadedData(
-      int request_id,
-      int data_len,
-      int encoded_data_length);
+  void OnReceivedRedirect(int request_id,
+                          const GURL& new_url,
+                          const ResourceResponseHead& response_head);
+  void OnSetDataBuffer(int request_id,
+                       base::SharedMemoryHandle shm_handle,
+                       int shm_size,
+                       base::ProcessId renderer_pid);
+  void OnReceivedData(int request_id,
+                      int data_offset,
+                      int data_length,
+                      int encoded_data_length);
+  void OnDownloadedData(int request_id, int data_len, int encoded_data_length);
   void OnRequestComplete(
       int request_id,
-      const ResourceMsg_RequestCompleteData &request_complete_data);
+      const ResourceMsg_RequestCompleteData& request_complete_data);
 
   // Dispatch the message to one of the message response handlers.
   void DispatchMessage(const IPC::Message& message);
 
   // Dispatch any deferred messages for the given request, provided it is not
   // again in the deferred state.
   void FlushDeferredMessages(int request_id);
 
   void ToResourceResponseInfo(
       const PendingRequestInfo& request_info,
@@ skipping 34 matching lines @@
 
   // IO thread timestamp for ongoing IPC message.
   base::TimeTicks io_timestamp_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_RESOURCE_DISPATCHER_H_