net: Make UploadData::GetContentLength() asynchronous.

net/http/http_network_transaction_unittest.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 <math.h>  // ceil
 #include <stdarg.h>
 #include <string>
 #include <vector>
@@ skipping 6154 matching lines @@
   FilePath temp_file_path;
   ASSERT_TRUE(file_util::CreateTemporaryFile(&temp_file_path));
   const uint64 kFakeSize = 100000;  // file is actually blank
 
   std::vector<UploadData::Element> elements;
   UploadData::Element element;
   element.SetToFilePath(temp_file_path);
   element.SetContentLength(kFakeSize);
   elements.push_back(element);
   request.upload_data->SetElements(elements);
-  EXPECT_EQ(kFakeSize, request.upload_data->GetContentLength());
+  EXPECT_EQ(kFakeSize, request.upload_data->GetContentLengthSyncForTesting());
 
   MockRead data_reads[] = {
     MockRead("HTTP/1.0 200 OK\r\n\r\n"),
     MockRead("hello world"),
     MockRead(false, OK),
   };
   StaticSocketDataProvider data(data_reads, arraysize(data_reads), NULL, 0);
   session_deps.socket_factory.AddSocketDataProvider(&data);
 
   TestCompletionCallback callback;
@@ skipping 3187 matching lines @@
   StaticSocketDataProvider* data[] = { &data1, &data2 };
 
   SimpleGetHelperResult out = SimpleGetHelperForData(data, arraysize(data));
 
   EXPECT_EQ(OK, out.rv);
   EXPECT_EQ("HTTP/1.0 200 OK", out.status_line);
   EXPECT_EQ("hello world", out.response_data);
 }
 
 }  // namespace net