Fix Auth browser-test failure: make sure element is ready to receive click.

chrome/test/remoting/remote_desktop_browsertest.h

 // Copyright 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.
 
 #ifndef CHROME_TEST_REMOTING_REMOTE_DESKTOP_BROWSERTEST_H_
 #define CHROME_TEST_REMOTING_REMOTE_DESKTOP_BROWSERTEST_H_
 
 #include "base/debug/stack_trace.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/chrome_notification_types.h"
@@ skipping 296 matching lines @@
   // Callback used by WaitForConnection to check whether the connection
   // has been established.
   bool IsSessionConnected();
 
   // Callback used by Approve to check whether the chromoting app has
   // successfully authenticated with the Google services.
   bool IsAuthenticated() {
       return IsAuthenticatedInWindow(active_web_contents());
   }
 
+  // Callback used by Approve to check whether the Accept button is enabled
+  // and ready to receive a click.
+  bool IsEnabled(const std::string& name) {
+      return !ExecuteScriptAndExtractBool(
+        active_web_contents(),
+        "document.getElementById(\"" + name + "\").disabled");
+  }
+
   // If the "Host version out-of-date" form is visible, dismiss it.
   void DismissHostVersionWarningIfVisible();
 
   // Callback used by Approve to check whether the chromoting app has
   // successfully authenticated with the Google services.
   static bool IsAuthenticatedInWindow(content::WebContents* web_contents);
 
   // Callback used to check whether a host action is completed.
   // Used by browser tests while conditionally waiting for host actions.
   static bool IsHostActionComplete(
@@ skipping 35 matching lines @@
   std::string password_;
   std::string me2me_pin_;
   std::string remote_host_name_;
   std::string extension_name_;
   std::string http_server_;
 };
 
 }  // namespace remoting
 
 #endif  // CHROME_TEST_REMOTING_REMOTE_DESKTOP_BROWSERTEST_H_