Add automation call to wait for multiple navigations.

chrome/test/automation/tab_proxy.h

 // Copyright (c) 2006-2008 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_AUTOMATION_TAB_PROXY_H_
 #define CHROME_TEST_AUTOMATION_TAB_PROXY_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
@@ skipping 59 matching lines @@
   bool ExecuteAndExtractInt(const std::wstring& frame_xpath,
                             const std::wstring& jscript,
                             int* value);
   bool ExecuteAndExtractValue(const std::wstring& frame_xpath,
                               const std::wstring& jscript,
                               Value** value);
 
   // Navigates to a url. This method accepts the same kinds of URL input that
   // can be passed to Chrome on the command line. This is a synchronous call and
   // hence blocks until the navigation completes.
-  AutomationMsg_NavigationResponseValues NavigateToURL(const GURL& url);
+  AutomationMsg_NavigationResponseValues NavigateToURL(
+      const GURL& url);
+
+  // Navigates to a url. This method accepts the same kinds of URL input that
+  // can be passed to Chrome on the command line. This is a synchronous call and
+  // hence blocks until the |number_of_navigations| navigations complete.
+  AutomationMsg_NavigationResponseValues
+      NavigateToURLBlockUntilNavigationsComplete(const GURL& url,
+                                                 int number_of_navigations);
 
   // Navigates to a url. This is same as NavigateToURL with a timeout option.
-  // The function returns until the navigation completes or timeout (in
-  // milliseconds) occurs. If return after timeout, is_timeout is set to true.
+  // The function blocks until the |number_of_navigations| navigations
+  // completes or timeout (in milliseconds) occurs. If return after timeout,
+  // is_timeout is set to true.
   AutomationMsg_NavigationResponseValues NavigateToURLWithTimeout(
-      const GURL& url, uint32 timeout_ms, bool* is_timeout);
+      const GURL& url, int number_of_navigations, uint32 timeout_ms,
+      bool* is_timeout);
 
   // Navigates to a url in an externally hosted tab.
   // This method accepts the same kinds of URL input that
   // can be passed to Chrome on the command line. This is a synchronous call and
   // hence blocks until the navigation completes.
   AutomationMsg_NavigationResponseValues NavigateInExternalTab(const GURL& url);
 
   // Navigates to a url. This is an asynchronous version of NavigateToURL.
   // The function returns immediately after sending the LoadURL notification
   // to the browser.
@@ skipping 222 matching lines @@
   void OnMessageReceived(const IPC::Message& message);
  protected:
   virtual ~TabProxy() {}
  private:
   Lock list_lock_;  // Protects the observers_list_.
   ObserverList<TabProxyDelegate> observers_list_;
   DISALLOW_COPY_AND_ASSIGN(TabProxy);
 };
 
 #endif  // CHROME_TEST_AUTOMATION_TAB_PROXY_H_