Added member data to classes to support download resumption.

content/browser/download/save_file.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 "content/browser/download/save_file.h"
 
 #include "base/logging.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/file_stream.h"
 
 using content::BrowserThread;
 
-SaveFile::SaveFile(const SaveFileCreateInfo* info)
-    : file_(FilePath(), info->url, GURL(), 0, linked_ptr<net::FileStream>()),
+SaveFile::SaveFile(const SaveFileCreateInfo* info, bool calculate_hash)
+    : file_(FilePath(),
+            info->url,
+            GURL(),
+            0,
+            calculate_hash,
+            "",
+            linked_ptr<net::FileStream>()),
       info_(info) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 
   DCHECK(info);
   DCHECK(info->path.empty());
 }
 
 SaveFile::~SaveFile() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
 }
 
-net::Error SaveFile::Initialize(bool calculate_hash) {
-  return file_.Initialize(calculate_hash);
+net::Error SaveFile::Initialize() {
+  return file_.Initialize();
 }
 
 net::Error SaveFile::AppendDataToFile(const char* data, size_t data_len) {
   return file_.AppendDataToFile(data, data_len);
 }
 
 net::Error SaveFile::Rename(const FilePath& full_path) {
   return file_.Rename(full_path);
 }
 
@@ skipping 18 matching lines @@
 }
 
 bool SaveFile::InProgress() const {
   return file_.in_progress();
 }
 
 int64 SaveFile::BytesSoFar() const {
   return file_.bytes_so_far();
 }
 
-bool SaveFile::GetSha256Hash(std::string* hash) {
-  return file_.GetSha256Hash(hash);
+bool SaveFile::GetHash(std::string* hash) {
+  return file_.GetHash(hash);
 }
 
 std::string SaveFile::DebugString() const {
   return file_.DebugString();
 }