[Cronet] Upload support for async APIs

components/cronet/android/cronet_url_request_adapter.h

 // Copyright 2014 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 COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_ADAPTER_H_
 #define COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_ADAPTER_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/request_priority.h"
 #include "net/http/http_request_headers.h"
 #include "net/url_request/url_request.h"
 #include "url/gurl.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }  // namespace base
 
 namespace net {
 class GrowableIOBuffer;
 class HttpResponseHeaders;
+class UploadDataStream;
 }  // namespace net
 
 namespace cronet {
 
 class CronetURLRequestContextAdapter;
 
 // An adapter from the JNI CronetUrlRequest object to the Chromium URLRequest.
 // Created and configured from random thread. Start is posted to network
 // thread and all callbacks into CronetURLRequestAdapterDelegate are done on
 // network thread. Each delegate callback is expected to initiate next step like
@@ skipping 37 matching lines @@
   // Methods called prior to Start are never called on network thread.
 
   // Sets the request method GET, POST etc.
   void set_method(const std::string& method) {
     initial_method_ = method;
   }
 
   // Adds a header to the request before it starts.
   void AddRequestHeader(const std::string& name, const std::string& value);
 
+  // Adds a request body to the request before it starts.
+  void SetUpload(scoped_ptr<net::UploadDataStream> upload);
+
+  net::UploadDataStream* GetUpload();
+
   // Methods called on any thread.
 
   // Posts tasks to network thread.
   bool PostTaskToNetworkThread(const tracked_objects::Location& from_here,
                                const base::Closure& task);
 
   // Returns true if called on network thread.
   bool IsOnNetworkThread() const;
 
   // Methods called only on network thread.
@@ skipping 40 matching lines @@
   // true, otherwise report error and cancel request_adapter.
   bool MaybeReportError(net::URLRequest* request) const;
 
   CronetURLRequestContextAdapter* context_;
   scoped_ptr<CronetURLRequestAdapterDelegate> delegate_;
 
   const GURL initial_url_;
   const net::RequestPriority initial_priority_;
   std::string initial_method_;
   net::HttpRequestHeaders initial_request_headers_;
+  scoped_ptr<net::UploadDataStream> upload_;
 
   scoped_refptr<net::IOBufferWithSize> read_buffer_;
   scoped_ptr<net::URLRequest> url_request_;
 
   DISALLOW_COPY_AND_ASSIGN(CronetURLRequestAdapter);
 };
 
 }  // namespace cronet
 
 #endif  // COMPONENTS_CRONET_ANDROID_CRONET_URL_REQUEST_ADAPTER_H_