Move FileCopyManager to background page.

chrome/browser/resources/component_extension_resources.grd

Index: chrome/browser/resources/component_extension_resources.grd
===================================================================
--- chrome/browser/resources/component_extension_resources.grd	(revision 146973)
+++ chrome/browser/resources/component_extension_resources.grd	(working copy)
@@ -38,6 +38,9 @@
       <if expr="pp_ifdef('file_manager_extension')">
         <include name="IDR_FILE_MANAGER_MAIN" file="file_manager/main.html" flattenhtml="true" allowexternalscript="true" type="BINDATA" />
         <include name="IDR_FILE_MANAGER_MAIN_JS" file="file_manager/js/main_scripts.js" flattenhtml="true" type="BINDATA" />
+        <include name="IDR_FILE_MANAGER_FILE_COPY_MANAGER_JS" file="file_manager/js/file_copy_manager.js" flattenhtml="false" type="BINDATA" />
+        <include name="IDR_FILE_MANAGER_PATH_UTIL_JS" file="file_manager/js/path_util.js" flattenhtml="false" type="BINDATA" />
+        <include name="IDR_FILE_MANAGER_UTIL_JS" file="file_manager/js/util.js" flattenhtml="false" type="BINDATA" />
         <include name="IDR_FILE_MANAGER_MEDIAPLAYER" file="file_manager/mediaplayer.html" allowexternalscript="true" flattenhtml="true" type="BINDATA" />
         <include name="IDR_FILE_MANAGER_MEDIAPLAYER_JS" file="file_manager/js/media/mediaplayer_scripts.js" flattenhtml="true" type="BINDATA" />
         <include name="IDR_FILE_MANAGER_VIDEO_PLAYER" file="file_manager/video_player.html" allowexternalscript="true" flattenhtml="true" type="BINDATA" />