chromeos: Rename DriveDownloadHandler::GetDrivePath() to GetTargetPath(), make it return full path

chrome/browser/chromeos/drive/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_DRIVE_DOWNLOAD_HANDLER_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_DOWNLOAD_HANDLER_H_
 
 #include "base/callback_forward.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/drive/drive_file_error.h"
@@ skipping 36 matching lines @@
       const FilePath& drive_path,
       content::DownloadItem* download,
       const SubstituteDriveDownloadPathCallback& callback);
 
   // Sets drive path, for example, '/special/drive/MyFolder/MyFile',
   // to external data in |download|. Also sets display name and
   // makes |download| a temporary.
   void SetDownloadParams(const FilePath& drive_path,
                          content::DownloadItem* download);
 
-  // Gets the drive_path from external data in |download|.
-  // GetDrivePath may return an empty path in case SetDrivePath was not
-  // previously called or there was some other internal error
-  // (there is a DCHECK for this).
-  FilePath GetDrivePath(const content::DownloadItem* download);
+  // Gets the target drive path from external data in |download|.
+  FilePath GetTargetPath(const content::DownloadItem* download);
 
   // Checks if there is a Drive upload associated with |download|
   bool IsDriveDownload(const content::DownloadItem* download);
 
  private:
   // AllDownloadItemNotifier::Observer
   virtual void OnDownloadUpdated(content::DownloadManager* manager,
                                  content::DownloadItem* download) OVERRIDE;
 
   // Callback for DriveFileSystem::GetEntryInfoByPath().
@@ skipping 23 matching lines @@
   // 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<DriveDownloadHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DriveDownloadHandler);
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_DOWNLOAD_HANDLER_H_