net: Add SetUploadStream method to URLFetcher.

net/url_request/url_fetcher_core.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 NET_URL_REQUEST_URL_FETCHER_CORE_H_
 #define NET_URL_REQUEST_URL_FETCHER_CORE_H_
 
 #include <set>
 #include <string>
 
@@ skipping 50 matching lines @@
 
   // For POST requests, set |content_type| to the MIME type of the
   // content and set |content| to the data to upload.
   void SetUploadData(const std::string& upload_content_type,
                      const std::string& upload_content);
   void SetUploadFilePath(const std::string& upload_content_type,
                          const base::FilePath& file_path,
                          uint64 range_offset,
                          uint64 range_length,
                          scoped_refptr<base::TaskRunner> file_task_runner);
+  void SetUploadStreamFactory(
+      const std::string& upload_content_type,
+      const URLFetcher::CreateUploadStreamCallback& callback);
   void SetChunkedUpload(const std::string& upload_content_type);
   // Adds a block of data to be uploaded in a POST body. This can only be
   // called after Start().
   void AppendChunkToUpload(const std::string& data, bool is_last_chunk);
   // |flags| are flags to apply to the load operation--these should be
   // one or more of the LOAD_* flags defined in net/base/load_flags.h.
   void SetLoadFlags(int load_flags);
   int GetLoadFlags() const;
   void SetReferrer(const std::string& referrer);
   void SetReferrerPolicy(URLRequest::ReferrerPolicy referrer_policy);
@@ skipping 115 matching lines @@
   // Read response bytes from the request.
   void ReadResponse();
 
   // Notify Delegate about the progress of upload/download.
   void InformDelegateUploadProgress();
   void InformDelegateUploadProgressInDelegateThread(int64 current, int64 total);
   void InformDelegateDownloadProgress();
   void InformDelegateDownloadProgressInDelegateThread(int64 current,
                                                       int64 total);
 
+  // Check if any upload data is set or not.
+  bool IsUploadDataSet() const;
+
   URLFetcher* fetcher_;              // Corresponding fetcher object
   GURL original_url_;                // The URL we were asked to fetch
   GURL url_;                         // The URL we eventually wound up at
   URLFetcher::RequestType request_type_;  // What type of request is this?
   URLRequestStatus status_;          // Status of the request
   URLFetcherDelegate* delegate_;     // Object to notify on completion
   // Task runner for the creating thread. Used to interact with the delegate.
   scoped_refptr<base::SingleThreadTaskRunner> delegate_task_runner_;
   // Task runner for network operations.
   scoped_refptr<base::SingleThreadTaskRunner> network_task_runner_;
   // Task runner for upload file access.
   scoped_refptr<base::TaskRunner> upload_file_task_runner_;
   scoped_ptr<URLRequest> request_;   // The actual request this wraps
   int load_flags_;                   // Flags for the load operation
   int response_code_;                // HTTP status code for the request
   scoped_refptr<IOBuffer> buffer_;
                                      // Read buffer
   scoped_refptr<URLRequestContextGetter> request_context_getter_;
                                      // Cookie/cache info for the request
   GURL first_party_for_cookies_;     // The first party URL for the request
   // The user data to add to each newly-created URLRequest.
   const void* url_request_data_key_;
   URLFetcher::CreateDataCallback url_request_create_data_callback_;
   ResponseCookies cookies_;          // Response cookies
   HttpRequestHeaders extra_request_headers_;
   scoped_refptr<HttpResponseHeaders> response_headers_;
   bool was_fetched_via_proxy_;
   HostPortPair socket_address_;
 
-  bool upload_content_set_;          // SetUploadData has been called
   std::string upload_content_;       // HTTP POST payload
   base::FilePath upload_file_path_;  // Path to file containing POST payload
   uint64 upload_range_offset_;       // Offset from the beginning of the file
                                      // to be uploaded.
   uint64 upload_range_length_;       // The length of the part of file to be
                                      // uploaded.
+  URLFetcher::CreateUploadStreamCallback
+      upload_stream_factory_;        // Callback to create HTTP POST payload.
   std::string upload_content_type_;  // MIME type of POST payload
   std::string referrer_;             // HTTP Referer header value and policy
   URLRequest::ReferrerPolicy referrer_policy_;
   bool is_chunked_upload_;           // True if using chunked transfer encoding
 
   // Used to determine how long to wait before making a request or doing a
   // retry.
   //
   // Both of them can only be accessed on the IO thread.
   //
@@ skipping 62 matching lines @@
   base::debug::StackTrace stack_trace_;
 
   static base::LazyInstance<Registry> g_registry;
 
   DISALLOW_COPY_AND_ASSIGN(URLFetcherCore);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_FETCHER_CORE_H_