sign-in: Don't inject into none http/https page.

chrome/browser/resources/gaia_auth_host/saml_handler.js

 // Copyright 2015 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.
 
 <include src="post_message_channel.js">
 
 /**
  * @fileoverview Saml support for webview based auth.
  */
 
@@ skipping 248 matching lines @@
      * Invoked on the webview's loadcommit event for both main and sub frames.
      * @private
      */
     onLoadCommit_: function(e) {
       // Skip this loadcommit if the top level load is just aborted.
       if (e.isTopLevel && e.url === this.abortedTopLevelUrl_) {
         this.abortedTopLevelUrl_ = null;
         return;
       }
 
+      // Skip for none http/https url.
+      if (e.url.indexOf('https://') != 0 &&
+          e.url.indexOf('http://') != 0) {
+        return;
+      }
+
       this.isSamlPage_ = this.pendingIsSamlPage_;
       this.injectJs_();
     },
 
     /**
      * Handler for webRequest.onBeforeRequest, invoked when content served over
      * an unencrypted connection is detected. Determines whether the request
      * should be blocked and if so, signals that an error message needs to be
      * shown.
      * @param {Object} details
@@ skipping 174 matching lines @@
    * @param {string} samlInjectedJs JS code to inejct for Saml.
    */
   SamlHandler.setSamlInjectedJs = function(samlInjectedJs) {
     injectedJs = samlInjectedJs;
   };
 
   return {
     SamlHandler: SamlHandler
   };
 });