Part 3 of Move SelectFileDialog implementation to ui/base/dialogs/

chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc

Index: chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc
diff --git a/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc b/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc
index c114ce2f4c6a6c248a5f04a8315d5f746b4613d8..7f05865a54c54ac9c29cf84fbb3b09c5516566ec 100644
--- a/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc
+++ b/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.cc
@@ -13,6 +13,11 @@
 #include "ui/aura/single_display_manager.h"
 #include "ui/gfx/screen.h"
 
+#if defined(FILE_MANAGER_EXTENSION)
+#include "chrome/browser/ui/views/select_file_dialog_extension.h"
+#include "chrome/browser/ui/views/select_file_dialog_extension_factory.h"
+#endif
+
 ChromeBrowserMainExtraPartsAsh::ChromeBrowserMainExtraPartsAsh() {
 }
 
@@ -27,6 +32,10 @@ void ChromeBrowserMainExtraPartsAsh::PreProfileInit() {
     stacking_client_.reset(new aura::DesktopStackingClient);
     gfx::Screen::SetInstance(aura::CreateDesktopScreen());
   }
+
+#if defined(FILE_MANAGER_EXTENSION)
+  ui::SelectFileDialog::SetFactory(new SelectFileDialogExtensionFactory);
+#endif
 }
 
 void ChromeBrowserMainExtraPartsAsh::PostProfileInit() {