net: Make UploadDataStream::Init() asynchronous.

net/http/http_network_transaction.cc

 // 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.
 
 #include "net/http/http_network_transaction.h"
 
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 729 matching lines @@
         &request_headers_);
 
   request_headers_.MergeFrom(request_->extra_headers);
 }
 
 int HttpNetworkTransaction::DoBuildRequest() {
   next_state_ = STATE_BUILD_REQUEST_COMPLETE;
   request_body_.reset(NULL);
   if (request_->upload_data) {
     request_body_.reset(new UploadDataStream(request_->upload_data));
-    const int error_code = request_body_->Init();
+    const int error_code = request_body_->InitSync();
     if (error_code != OK) {
       request_body_.reset(NULL);
       return error_code;
     }
   }
 
   headers_valid_ = false;
 
   // This is constructed lazily (instead of within our Start method), so that
   // we have proxy info available.
@@ skipping 653 matching lines @@
       description = base::StringPrintf("Unknown state 0x%08X (%u)", state,
                                        state);
       break;
   }
   return description;
 }
 
 #undef STATE_CASE
 
 }  // namespace net