Added member data to classes to support download resumption.

content/browser/download/download_file_unittest.cc

 // Copyright (c) 2011 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 "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/download/download_create_info.h"
 #include "content/browser/download/download_file.h"
@@ skipping 163 matching lines @@
 
   // Rename the file after downloading all the data.
   EXPECT_EQ(net::OK, download_file_->Rename(path_3));
   renamed_path = download_file_->full_path();
   EXPECT_EQ(path_3, renamed_path);
 
   // Check the files.
   EXPECT_FALSE(file_util::PathExists(path_2));
   EXPECT_TRUE(file_util::PathExists(path_3));
 
-  // Should not be able to get the hash until the file is closed.
-  std::string hash;
-  EXPECT_FALSE(download_file_->GetSha256Hash(&hash));
-
   download_file_->Finish();
 
   // Rename the file after downloading all the data and closing the file.
   EXPECT_EQ(net::OK, download_file_->Rename(path_4));
   renamed_path = download_file_->full_path();
   EXPECT_EQ(path_4, renamed_path);
 
   // Check the files.
   EXPECT_FALSE(file_util::PathExists(path_3));
   EXPECT_TRUE(file_util::PathExists(path_4));
 
   // Check the hash.
+  std::string hash;
   EXPECT_TRUE(download_file_->GetSha256Hash(&hash));
   EXPECT_EQ(kDataHash, base::HexEncode(hash.data(), hash.size()));
 
   DestroyDownloadFile(&download_file_, 0);
 }