Move FileCopyManager to background page.

chrome/browser/resources/file_manager/photo_import.html

Index: chrome/browser/resources/file_manager/photo_import.html
===================================================================
--- chrome/browser/resources/file_manager/photo_import.html	(revision 148344)
+++ chrome/browser/resources/file_manager/photo_import.html	(working copy)
@@ -19,7 +19,7 @@
 
   <if expr="0">
     <!-- This file has not been flattened, load individual scripts.
-         Keep the list in sync with photoapp_scripts.js. -->
+         Keep the list in sync with photo_import_scripts.js. -->
     <script src="../shared/js/load_time_data.js"></script>
     <script src="../shared/js/util.js"></script>
     <script src="../shared/js/i18n_template_no_process.js"></script>
@@ -42,7 +42,7 @@
     <script src="js/file_type.js"></script>
     <script src="js/directory_contents.js"></script>
     <script src="js/volume_manager.js"></script>
-    <script src="js/file_copy_manager.js"></script>
+    <script src="js/file_copy_manager_wrapper.js"></script>
     <script src="js/metadata/metadata_cache.js"></script>
     <script src="js/metrics.js"></script>
     <script src="js/image_editor/image_util.js"></script>