downloads: Make GetCrDownloadPath a static method on DownloadTargetDeterminer.

chrome/browser/download/download_target_determiner.h

 // Copyright 2013 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_TARGET_DETERMINER_H_
 #define CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TARGET_DETERMINER_H_
 
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 52 matching lines @@
   // |callback| will be scheduled asynchronously on the UI thread after download
   //   determination is complete or after |download| is destroyed.
   //
   // Start() should be called on the UI thread.
   static void Start(content::DownloadItem* download,
                     DownloadPrefs* download_prefs,
                     const base::FilePath& last_selected_directory,
                     DownloadTargetDeterminerDelegate* delegate,
                     const content::DownloadTargetCallback& callback);
 
+  // Returns a .crdownload intermediate path for the |suggested_path|.
+  static base::FilePath GetCrDownloadPath(const base::FilePath& suggested_path);
+
  private:
   // The main workflow is controlled via a set of state transitions. Each state
   // has an associated handler. The handler for STATE_FOO is DoFoo. Each handler
   // performs work, determines the next state to transition to and returns a
   // Result indicating how the workflow should proceed. The loop ends when a
   // handler returns COMPLETE.
   enum State {
     STATE_GENERATE_TARGET_PATH,
     STATE_NOTIFY_EXTENSIONS,
     STATE_RESERVE_VIRTUAL_PATH,
@@ skipping 161 matching lines @@
   base::FilePath last_selected_directory_;
   content::DownloadTargetCallback completion_callback_;
   CancelableRequestConsumer history_consumer_;
 
   base::WeakPtrFactory<DownloadTargetDeterminer> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadTargetDeterminer);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_DOWNLOAD_TARGET_DETERMINER_H_