When Chrome hands off a URL to be opened by the external host by the ViewHost...

chrome/browser/extensions/extension_uitest.cc

 // Copyright (c) 2009 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 "base/command_line.h"
 #include "base/gfx/rect.h"
 #include "base/json_reader.h"
 #include "base/json_writer.h"
 #include "base/values.h"
 #include "chrome/browser/automation/extension_automation_constants.h"
@@ skipping 53 matching lines @@
     EXPECT_TRUE(tab->is_valid());
     if (tab) {
       // Enter a message loop to allow the tab to be created
       proxy->WaitForNavigation(2000);
       DoAdditionalPreNavigateSetup(tab.get());
 
       // We explicitly do not make this a toolstrip in the extension manifest,
       // so that the test can control when it gets loaded, and so that we test
       // the intended behavior that tabs should be able to show extension pages
       // (useful for development etc.)
-      tab->NavigateInExternalTab(url);
+      tab->NavigateInExternalTab(url, GURL());
       EXPECT_TRUE(proxy->WaitForMessage(action_max_timeout_ms()));
 
       proxy->DestroyHostWindow();
       proxy->WaitForTabCleanup(tab, action_max_timeout_ms());
       EXPECT_FALSE(tab->is_valid());
     }
   }
 
   // Override if you need additional stuff before we navigate the page.
   virtual void DoAdditionalPreNavigateSetup(TabProxy* tab) {
@@ skipping 403 matching lines @@
             proxy->event_count_.size());
   for (std::map<std::string, int>::iterator i = proxy->event_count_.begin();
       i != proxy->event_count_.end(); ++i) {
     const std::pair<std::string, int>& value = *i;
     ASSERT_EQ(1, value.second);
   }
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace