[filebrowser] Add left panel with roots.

chrome/browser/resources/file_manager/js/mock_chrome.js

Index: chrome/browser/resources/file_manager/js/mock_chrome.js
===================================================================
--- chrome/browser/resources/file_manager/js/mock_chrome.js	(revision 110472)
+++ chrome/browser/resources/file_manager/js/mock_chrome.js	(working copy)
@@ -59,6 +59,25 @@
   },
 
   /**
+   * File/directory changed notification.

[Vladislav Kaznacheev, 2011/11/22 13:16:35]

I already added those yesterday:)

[dgozman, 2011/11/22 14:15:14]

Done.

+   */
+  onFileChanged: {
+    addListener: function(cb) {}
+  },
+
+  /**
+   * Add watch to file to get onFileChanged events.
+   */
+  addFileWatch: function(url, callback) {
+  },
+
+  /**
+   * Remove watch from file.
+   */
+  removeFileWatch: function(url, callback) {
+  },
+
+  /**
    * Returns common tasks for a given list of files.
    */
   getFileTasks: function(urlList, callback) {
@@ -203,6 +222,7 @@
 
       ROOT_DIRECTORY_LABEL: 'Files',
       DOWNLOADS_DIRECTORY_LABEL: 'File Shelf',
+      CHROMEBOOK_DIRECTORY_LABEL: 'Chromebook',
       DOWNLOADS_DIRECTORY_WARNING: "<strong>Caution:</strong> These files are temporary and may be automatically deleted to free up disk space.  <a href='javascript://'>Learn More</a>",
       MEDIA_DIRECTORY_LABEL: 'External Storage',
       NAME_COLUMN_LABEL: 'Name',