Use embedded sign in UI for inline sign in flow

chrome/browser/resources/gaia_auth/main.js

 // Copyright (c) 2012 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.
 
 /**
  * Authenticator class wraps the communications between Gaia and its host.
  */
 function Authenticator() {
 }
 
@@ skipping 30 matching lines @@
   GAIA_URL: 'https://accounts.google.com/',
   GAIA_PAGE_PATH: 'ServiceLogin?skipvpage=true&sarp=1&rm=hide',
   PARENT_PAGE: 'chrome://oobe/',
   SERVICE_ID: 'chromeoslogin',
   CONTINUE_URL: Authenticator.THIS_EXTENSION_ORIGIN + '/success.html',
 
   initialize: function() {
     var params = getUrlSearchParams(location.search);
     this.parentPage_ = params.parentPage || this.PARENT_PAGE;
     this.gaiaUrl_ = params.gaiaUrl || this.GAIA_URL;
+    this.gaiaPath_ = params.gaiaPath || this.GAIA_PAGE_PATH;
     this.inputLang_ = params.hl;
     this.inputEmail_ = params.email;
     this.service_ = params.service || this.SERVICE_ID;
     this.continueUrl_ = params.continueUrl || this.CONTINUE_URL;
     this.continueUrlWithoutParams_ =
         this.continueUrl_.substring(0, this.continueUrl_.indexOf('?')) ||
         this.continueUrl_;
     this.inlineMode_ = params.inlineMode;
     this.partitionId_ = params.partitionId || '';
 
     document.addEventListener('DOMContentLoaded', this.onPageLoad.bind(this));
     document.addEventListener('enableSAML', this.onEnableSAML_.bind(this));
   },
 
   isGaiaMessage_: function(msg) {
     // Not quite right, but good enough.
     return this.gaiaUrl_.indexOf(msg.origin) == 0 ||
            this.GAIA_URL.indexOf(msg.origin) == 0;
   },
 
   isInternalMessage_: function(msg) {
     return msg.origin == Authenticator.THIS_EXTENSION_ORIGIN;
   },
 
   isParentMessage_: function(msg) {
     return msg.origin == this.parentPage_;
   },
 
   getFrameUrl_: function() {
-    var url = this.gaiaUrl_;
+    var url = this.gaiaUrl_ + this.gaiaPath_;
 
-    url += this.GAIA_PAGE_PATH +
-        '&service=' + encodeURIComponent(this.service_) +
-        '&continue=' + encodeURIComponent(this.continueUrl_);
+    url = appendParam(url, 'service', this.service_);
+    url = appendParam(url, 'continue', this.continueUrl_);
+    if (this.inputLang_)
+      url = appendParam(url, 'hl', this.inputLang_);
+    if (this.inputEmail_)
+      url = appendParam(url, 'Email', this.inputEmail_);
 
-    if (this.inputLang_)
-      url += '&hl=' + encodeURIComponent(this.inputLang_);
-    if (this.inputEmail_)
-      url += '&Email=' + encodeURIComponent(this.inputEmail_);
     return url;
   },
 
   /** Callback when all loads in the gaia webview is complete. */
   onWebviewLoadstop_: function(gaiaFrame) {
     // Report the current state to the parent which will then update the
     // browser history so that later it could respond properly to back/forward.
     var msg = {
       'method': 'reportState',
       'src': gaiaFrame.src
     };
     window.parent.postMessage(msg, this.parentPage_);
 
     if (gaiaFrame.src.lastIndexOf(
-        this.gaiaUrl_ + this.GAIA_PAGE_PATH, 0) == 0) {
+        this.gaiaUrl_ + this.gaiaPath_, 0) == 0) {
       gaiaFrame.executeScript({file: 'inline_injected.js'}, function() {
         // Send an initial message to gaia so that it has an JavaScript
         // reference to the embedder.
         gaiaFrame.contentWindow.postMessage('', gaiaFrame.src);
       });
       this.onLoginUILoaded();
     } else if (gaiaFrame.src.lastIndexOf(
         this.continueUrlWithoutParams_, 0) == 0) {
       // Detect when login is finished by the load stop event of the continue
       // URL. Cannot reuse the login complete flow in success.html, because
@@ skipping 138 matching lines @@
     } else if (msg.method == 'navigate' &&
                this.isParentMessage_(e)) {
        $('gaia-frame').src = msg.src;
     } else {
       console.error('Authenticator.onMessage: unknown message + origin!?');
     }
   }
 };
 
 Authenticator.getInstance().initialize();