Migrate fullPaths to URLs in appState.

chrome/browser/resources/file_manager/background/js/background.js

Index: chrome/browser/resources/file_manager/background/js/background.js
diff --git a/chrome/browser/resources/file_manager/background/js/background.js b/chrome/browser/resources/file_manager/background/js/background.js
index edd3620feb42131f241e0c66079347db9d6ee296..98085c074c4948f0b6ccfd7587c5da46daec3ffe 100644
--- a/chrome/browser/resources/file_manager/background/js/background.js
+++ b/chrome/browser/resources/file_manager/background/js/background.js
@@ -538,9 +538,9 @@ function launchFileManager(opt_appState, opt_id, opt_type, opt_callback) {
           }
 
           // Selection path specified, and it is different.
-          if (opt_appState.selectionPath &&
-                  opt_appState.selectionPath !==
-                  contentWindow.appState.selectionPath) {
+          if (opt_appState.selectionURL &&
+                  opt_appState.selectionURL !==
+                  contentWindow.appState.selectionURL) {
             continue;
           }
 
@@ -669,9 +669,9 @@ Background.prototype.onExecute_ = function(action, details) {
           },
           // It is not allowed to call getParent() here, since there may be
           // no permissions to access it at this stage. Therefore we are passing
-          // the selectionPath only, and the currentDirectory will be resolved
+          // the selectionURL only, and the currentDirectory will be resolved
           // later.
-          selectionPath: details.entries[0].fullPath
+          selectionURL: details.entries[0].toURL()
         };
         // For mounted devices just focus any Files.app window. The mounted
         // volume will appear on the navigation list.