Pass result of blockage across content API when new tab blocked.

chrome/browser/ui/views/external_tab_container_win.cc

 // 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.
 
 #include "chrome/browser/ui/views/external_tab_container_win.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 447 matching lines @@
     if (InitNavigationInfo(&nav_info, content::NAVIGATION_TYPE_NAV_IGNORE, 0))
       automation_->Send(new AutomationMsg_NavigationStateChanged(
           tab_handle_, changed_flags, nav_info));
   }
 }
 
 void ExternalTabContainerWin::AddNewContents(WebContents* source,
                                              WebContents* new_contents,
                                              WindowOpenDisposition disposition,
                                              const gfx::Rect& initial_pos,
-                                             bool user_gesture) {
+                                             bool user_gesture,
+                                             bool* was_blocked) {
   if (!automation_) {
     DCHECK(pending_);
     LOG(ERROR) << "Invalid automation provider. Dropping new contents notify";
     delete new_contents;
     return;
   }
 
   scoped_refptr<ExternalTabContainerWin> new_container;
   // If the host is a browser like IE8, then the URL being navigated to in the
   // new tab contents could potentially navigate back to Chrome from a new
@@ skipping 792 matching lines @@
   if (params.disposition == CURRENT_TAB) {
     DCHECK(route_all_top_level_navigations_);
     forward_params.disposition = NEW_FOREGROUND_TAB;
   }
   WebContents* new_contents =
       ExternalTabContainerWin::OpenURLFromTab(source, forward_params);
   // support only one navigation for a dummy tab before it is killed.
   ::DestroyWindow(GetNativeView());
   return new_contents;
 }