Enable Drive integration service in incognito windows.

chrome/browser/chromeos/drive/download_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_DOWNLOAD_HANDLER_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_DOWNLOAD_HANDLER_H_
 
 #include "base/callback_forward.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
@@ skipping 19 matching lines @@
   explicit DownloadHandler(FileSystemInterface* file_system);
   virtual ~DownloadHandler();
 
   // Utility method to get DownloadHandler with profile.
   static DownloadHandler* GetForProfile(Profile* profile);
 
   // Become an observer of DownloadManager.
   void Initialize(content::DownloadManager* download_manager,
                   const base::FilePath& drive_tmp_download_path);
 
+  // In addition to the DownloadManager passed to Initialize(), observe another
+  // download manager. This should be called only for the DownloadManager of the
+  // incognito version of the profile where |file_system_| resides.
+  void ObserveIncognitoDownloadManager(
+      content::DownloadManager* download_manager);
+
   // Callback used to return results from SubstituteDriveDownloadPath.
   // TODO(hashimoto): Report error with a FileError. crbug.com/171345
   typedef base::Callback<void(const base::FilePath&)>
       SubstituteDriveDownloadPathCallback;
 
   void SubstituteDriveDownloadPath(
       const base::FilePath& drive_path,
       content::DownloadItem* download,
       const SubstituteDriveDownloadPathCallback& callback);
 
@@ skipping 18 matching lines @@
       const content::CheckForFileExistenceCallback& callback);
 
  private:
   // AllDownloadItemNotifier::Observer overrides:
   virtual void OnDownloadCreated(content::DownloadManager* manager,
                                  content::DownloadItem* download) OVERRIDE;
   virtual void OnDownloadUpdated(content::DownloadManager* manager,
                                  content::DownloadItem* download) OVERRIDE;
 
   // Removes the download.
-  void RemoveDownload(int id);
+  void RemoveDownload(void* manager_id, int id);
 
   // Callback for FileSystem::CreateDirectory().
   // Used to implement SubstituteDriveDownloadPath().
   void OnCreateDirectory(const SubstituteDriveDownloadPathCallback& callback,
                          FileError error);
 
   // Starts the upload of a downloaded/downloading file.
-  void UploadDownloadItem(content::DownloadItem* download);
+  void UploadDownloadItem(content::DownloadManager* manager,
+                          content::DownloadItem* download);
 
   // Sets |cache_file_path| as user data of the download item specified by |id|.
-  void SetCacheFilePath(int id,
+  void SetCacheFilePath(void* manager_id,
+                        int id,
                         const base::FilePath* cache_file_path,
                         FileError error);
 
+  // Gets a download manager, given a |manager_id| casted from the pointer to
+  // the manager. This is used to validate the manager that may be deleted while
+  // asynchronous task posting. Returns NULL if the manager is already gone.
+  content::DownloadManager* GetDownloadManager(void* manager_id);
+
   FileSystemInterface* file_system_;  // Owned by DriveIntegrationService.
   // Observe the DownloadManager for new downloads.
   scoped_ptr<AllDownloadItemNotifier> notifier_;
+  scoped_ptr<AllDownloadItemNotifier> notifier_incognito_;
 
   // Temporary download location directory.
   base::FilePath drive_tmp_download_path_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<DownloadHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadHandler);
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DOWNLOAD_HANDLER_H_