Keep normal popups opened from same-origin iframes in an extension process.

content/renderer/render_view.cc

 // Copyright (c) 2011 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 "content/renderer/render_view.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 2131 matching lines @@
       default_policy == WebKit::WebNavigationPolicyCurrentTab &&
       request.httpMethod() == "GET" && !url.SchemeIs(chrome::kAboutScheme)) {
     bool send_referrer = false;
     bool should_fork =
         BindingsPolicy::is_web_ui_enabled(enabled_bindings_) ||
         frame->isViewSourceModeEnabled() ||
         url.SchemeIs(chrome::kViewSourceScheme);
 
     if (!should_fork) {
       // Give the embedder a chance.
+      bool is_initial_navigation = page_id_ == -1;
       should_fork = content::GetContentClient()->renderer()->ShouldFork(
-          frame, url, is_content_initiated, &send_referrer);
+          frame, url, is_content_initiated, is_initial_navigation,
+          &send_referrer);
     }
 
     if (should_fork) {
       GURL referrer(request.httpHeaderField(WebString::fromUTF8("Referer")));
       OpenURL(url, send_referrer ? referrer : GURL(), default_policy);
       return WebKit::WebNavigationPolicyIgnore;  // Suppress the load here.
     }
   }
 
   // Detect when a page is "forking" a new tab that can be safely rendered in
@@ skipping 2367 matching lines @@
 }
 #endif
 
 void RenderView::OnContextMenuClosed(
     const webkit_glue::CustomContextMenuContext& custom_context) {
   if (custom_context.is_pepper_menu)
     pepper_delegate_.OnContextMenuClosed(custom_context);
   else
     context_menu_node_.reset();
 }