Files.app: Fix errors when launching Files.app via "chrome://files" (2)

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

Index: chrome/browser/resources/file_manager/js/file_manager.js
diff --git a/chrome/browser/resources/file_manager/js/file_manager.js b/chrome/browser/resources/file_manager/js/file_manager.js
index 1bf9650925a81ebdc6c4d530760a5df849c8d1db..4d4764a7a0b12741e3ba4c8c7a0d6bcd569d2e2f 100644
--- a/chrome/browser/resources/file_manager/js/file_manager.js
+++ b/chrome/browser/resources/file_manager/js/file_manager.js
@@ -622,7 +622,7 @@ DialogType.isModal = function(type) {
 
   FileManager.prototype.onMaximize = function() {
     // Do not maximize when running via chrome://files in a browser.
-    if (!chrome.app.window.contentWindow)
+    if (!util.platform.runningAsApps())
       return;
 
     var appWindow = chrome.app.window.current();
@@ -634,7 +634,7 @@ DialogType.isModal = function(type) {
 
   FileManager.prototype.onClose = function() {
     // Do not close when running via chrome://files in a browser.
-    if (!chrome.app.window.contentWindow)
+    if (!util.platform.runningAsApps())
       return;
 
     window.close();
@@ -888,7 +888,7 @@ DialogType.isModal = function(type) {
     // Show the window as soon as the UI pre-initialization is done.
     if (this.dialogType == DialogType.FULL_PAGE && util.platform.v2()) {
       // Do not call show() when running via chrome://files in a browser.
-      if (chrome.app.window.contentWindow) {
+      if (util.platform.runningAsApps()) {
         chrome.app.window.current().show();
         setTimeout(callback, 100);  // Wait until the animation is finished.
       } else {