Clean up first run:

chrome/browser/ui/cocoa/importer/import_progress_dialog_cocoa.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/importer/import_progress_dialog_cocoa.h"
 
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/message_loop.h"
@@ skipping 162 matching lines @@
 void ImporterObserverBridge::ImportItemEnded(importer::ImportItem item) {
   [owner_ ImportItemEnded:item];
 }
 
 void ImporterObserverBridge::ImportEnded() {
   [owner_ ImportEnded];
 }
 
 namespace importer {
 
-void ShowImportProgressDialog(gfx::NativeWindow parent_window,
-                              uint16 items,
+void ShowImportProgressDialog(uint16 items,
                               ImporterHost* importer_host,
                               ImporterObserver* importer_observer,
                               const SourceProfile& source_profile,
                               Profile* target_profile,
                               bool first_run) {
   DCHECK(items != 0);
 
   // |progress_dialog| is responsible for deleting itself.
   ImportProgressDialogController* progress_dialog =
       [[ImportProgressDialogController alloc]
@@ skipping 13 matching lines @@
   [progress_dialog showWindow:nil];
   while (true) {
     if ([NSApp runModalSession:session] != NSRunContinuesResponse)
         break;
     MessageLoop::current()->RunAllPending();
   }
   [NSApp endModalSession:session];
 }
 
 }  // namespace importer