Download resumption - Preliminary

content/browser/download/download_file_manager.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 "content/browser/download/download_file_manager.h"
 
 #include <set>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 101 matching lines @@
 
   VLOG(20) << " " << __FUNCTION__ << "()"
            << " id = " << global_id
            << " download_file = " << download_file->DebugString();
 
   download_file->Detach(callback);
 
   EraseDownload(global_id);
 }
 
+void DownloadFileManager::InterruptDownload(
+    DownloadId id, const base::Closure& callback) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
+
+  if (!ContainsKey(downloads_, id))
+    return;
+
+  DownloadFile* download_file = downloads_[id];
+
+  VLOG(20) << " " << __FUNCTION__ << "()"
+    << " id = " << id
+    << " download_file = " << download_file->DebugString();
+
+  download_file->Detach(callback);
+
+  EraseDownload(id);
+}
+
 void DownloadFileManager::OnDownloadManagerShutdown(DownloadManager* manager) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   DCHECK(manager);
 
   std::set<DownloadFile*> to_remove;
 
   for (DownloadFileMap::iterator i = downloads_.begin();
        i != downloads_.end(); ++i) {
     DownloadFile* download_file = i->second;
     if (download_file->GetDownloadManager() == manager) {
@@ skipping 42 matching lines @@
   DownloadFile* download_file = downloads_[global_id];
 
   VLOG(20) << " " << __FUNCTION__ << "()"
            << " id = " << global_id
            << " download_file = " << download_file->DebugString();
 
   downloads_.erase(global_id);
 
   delete download_file;
 }