Move the core download files to content.

chrome/browser/download/download_status_updater.h

-// 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.
-
-#ifndef CHROME_BROWSER_DOWNLOAD_DOWNLOAD_STATUS_UPDATER_H_
-#define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_STATUS_UPDATER_H_
-
-#include <set>
-
-#include "base/basictypes.h"
-#include "base/gtest_prod_util.h"
-#include "base/memory/weak_ptr.h"
-
-class DownloadStatusUpdaterDelegate;
-
-// Keeps track of download progress for the entire browser.
-class DownloadStatusUpdater
-    : public base::SupportsWeakPtr<DownloadStatusUpdater> {
- public:
-  DownloadStatusUpdater();
-  ~DownloadStatusUpdater();
-
-  void AddDelegate(DownloadStatusUpdaterDelegate* delegate);
-  void RemoveDelegate(DownloadStatusUpdaterDelegate* delegate);
-
-  // Updates the download status based on data from delegates.
-  void Update();
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(DownloadStatusUpdaterTest, Basic);
-  FRIEND_TEST_ALL_PREFIXES(DownloadStatusUpdaterTest, OneDelegate);
-  FRIEND_TEST_ALL_PREFIXES(DownloadStatusUpdaterTest, MultipleDelegates);
-
-  // If the progress is known (i.e. we know the final size of all downloads),
-  // returns true and puts a percentage (in range [0-1]) in |progress|.
-  bool GetProgress(float* progress);
-
-  // Returns the number of downloads that are in progress.
-  int64 GetInProgressDownloadCount();
-
-  typedef std::set<DownloadStatusUpdaterDelegate*> DelegateSet;
-  DelegateSet delegates_;
-
-  DISALLOW_COPY_AND_ASSIGN(DownloadStatusUpdater);
-};
-
-#endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_STATUS_UPDATER_H_