net: Make UploadData::GetContentLength() asynchronous.

net/base/upload_data_stream_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/base/upload_data_stream.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/message_loop.h"
 #include "base/time.h"
 #include "net/base/net_errors.h"
 #include "net/base/upload_data.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 namespace net {
 
 namespace {
 
@@ skipping 43 matching lines @@
   ASSERT_EQ(static_cast<int>(kTestDataSize),
             file_util::WriteFile(temp_file_path, kTestData, kTestDataSize));
   const uint64 kFakeSize = kTestDataSize*2;
 
   std::vector<UploadData::Element> elements;
   UploadData::Element element;
   element.SetToFilePath(temp_file_path);
   element.SetContentLength(kFakeSize);
   elements.push_back(element);
   upload_data_->SetElements(elements);
-  EXPECT_EQ(kFakeSize, upload_data_->GetContentLength());
+  EXPECT_EQ(kFakeSize, upload_data_->GetContentLengthSyncForTesting());
 
   scoped_ptr<UploadDataStream> stream(new UploadDataStream(upload_data_));
   ASSERT_EQ(OK, stream->Init());
   ASSERT_TRUE(stream.get());
   EXPECT_EQ(kFakeSize, stream->size());
   EXPECT_EQ(0U, stream->position());
   EXPECT_FALSE(stream->eof());
   uint64 read_counter = 0;
   while (!stream->eof()) {
     read_counter += stream->buf_len();
@@ skipping 39 matching lines @@
 
   // Test file changed.
   FileChangedHelper(temp_file_path,
                     file_info.last_modified - base::TimeDelta::FromSeconds(1),
                     true);
 
   file_util::Delete(temp_file_path, false);
 }
 
 }  // namespace net