Refactor downloads into a ProfileKeyedService.

chrome/browser/download/chrome_download_manager_delegate.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_CHROME_DOWNLOAD_MANAGER_DELEGATE_H_
 #define CHROME_BROWSER_DOWNLOAD_CHROME_DOWNLOAD_MANAGER_DELEGATE_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/hash_tables.h"
@@ skipping 26 matching lines @@
 #endif
 
 // This is the Chrome side helper for the download system.
 class ChromeDownloadManagerDelegate
     : public base::RefCountedThreadSafe<ChromeDownloadManagerDelegate>,
       public DownloadManagerDelegate,
       public NotificationObserver {
  public:
   explicit ChromeDownloadManagerDelegate(Profile* profile);
 
+  void SetDownloadManager(DownloadManager* dm);
+
   // Returns true if the given item is for an extension download.
   static bool IsExtensionDownload(const DownloadItem* item);
 
-  void SetDownloadManager(DownloadManager* dm);
-
   virtual void Shutdown() OVERRIDE;
   virtual bool ShouldStartDownload(int32 download_id) OVERRIDE;
   virtual void ChooseDownloadPath(TabContents* tab_contents,
                                   const FilePath& suggested_path,
                                   void* data) OVERRIDE;
   virtual bool OverrideIntermediatePath(DownloadItem* item,
                                         FilePath* intermediate_path) OVERRIDE;
   virtual TabContents* GetAlternativeTabContentsToNotifyForDownload() OVERRIDE;
   virtual bool ShouldOpenFileBasedOnExtension(const FilePath& path) OVERRIDE;
   virtual bool ShouldOpenDownload(DownloadItem* item) OVERRIDE;
@@ skipping 79 matching lines @@
   // Maps from pending extension installations to DownloadItem IDs.
   typedef base::hash_map<CrxInstaller*, int> CrxInstallerMap;
   CrxInstallerMap crx_installers_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeDownloadManagerDelegate);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_CHROME_DOWNLOAD_MANAGER_DELEGATE_H_