[Files.app] Fetch and use CWS OAuth token instead of Drive token in Suggest app dialog.

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

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 'use strict';
 
 /**
  * SuggestAppsDialog contains a list box to select an app to be opened the file
  * with. This dialog should be used as action picker for file operations.
  */
@@ skipping 208 matching lines @@
 };
 
 /**
  * Retrieves the authorize token. This method should be called in
  * initialization of the dialog.
  *
  * @param {function()} callback Called when the token is retrieved.
  * @private
  */
 SuggestAppsDialog.prototype.retrieveAuthorizeToken_ = function(callback) {
-  // TODO(yoshiki): Share the access token with ShareDialog.
   if (this.accessToken_) {
     callback();
     return;
   }
 
   // Fetch or update the access token.
-  chrome.fileBrowserPrivate.requestAccessToken(
-      false,  // force_refresh
-      function(inAccessToken) {
-        this.accessToken_ = inAccessToken;
+  chrome.fileBrowserPrivate.requestWebStoreAccessToken(
+      function(accessToken) {
+        // In case of error, this.accessToken_ will be set to null.
+        this.accessToken_ = accessToken;
         callback();
       }.bind(this));
 };
 
 /**
  * Shows dialog.
  *
  * @param {string} extension Extension of the file.
  * @param {string} mime Mime of the file.
  * @param {function(boolean)} onDialogClosed Called when the dialog is closed.
  *     The argument is the result of installation: true if an app is installed,
  *     false otherwise.
  */
 SuggestAppsDialog.prototype.show = function(extension, mime, onDialogClosed) {
   if (this.state_ != SuggestAppsDialog.State.UNINITIALIZED) {
     console.error('Invalid state.');
     return;
   }
 
   this.extension_ = extension;
   this.mimeType_ = mime;
   this.onDialogClosed_ = onDialogClosed;
   this.state_ = SuggestAppsDialog.State.INITIALIZING;
 
   // Makes it sure that the initialization is completed.
   this.initializationTask_.run(function() {
+    if (!this.accessToken_) {
+      this.state_ = SuggestAppsDialog.State.INITIALIZE_FAILED_CLOSING;
+      this.onHide_();
+      return;
+    }
+
     var title = str('SUGGEST_DIALOG_TITLE');
 
     // TODO(yoshiki): Remove this before ShareDialog launches.
     if (this.urlOverrided_)
       title += ' [OVERRIDED]';
 
     cr.ui.dialogs.BaseDialog.prototype.showWithTitle.apply(
         this, [title, '', function() {}, null, null]);
 
     this.webviewContainer_.innerHTML =
@@ skipping 184 matching lines @@
       result = SuggestAppsDialog.Result.USER_CANCELL;
       break;
     default:
       result = SuggestAppsDialog.Result.USER_CANCELL;
       console.error('Invalid state.');
   }
   this.state_ = SuggestAppsDialog.State.UNINITIALIZED;
 
   this.onDialogClosed_(result);
 };