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

content/renderer/mock_content_renderer_client.h

 // 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.
 
 #ifndef CONTENT_RENDERER_MOCK_CONTENT_RENDERER_CLIENT_H_
 #define CONTENT_RENDERER_MOCK_CONTENT_RENDERER_CLIENT_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "content/renderer/content_renderer_client.h"
@@ skipping 17 matching lines @@
                              WebKit::WebFrame* frame,
                              int http_status_code) OVERRIDE;
   virtual std::string GetNavigationErrorHtml(
       const WebKit::WebURLRequest& failed_request,
       const WebKit::WebURLError& error) OVERRIDE;
   virtual bool RunIdleHandlerWhenWidgetsHidden() OVERRIDE;
   virtual bool AllowPopup(const GURL& creator) OVERRIDE;
   virtual bool ShouldFork(WebKit::WebFrame* frame,
                           const GURL& url,
                           bool is_content_initiated,
+                          bool is_initial_navigation,
                           bool* send_referrer) OVERRIDE;
   virtual bool WillSendRequest(WebKit::WebFrame* frame,
                                const GURL& url,
                                GURL* new_url) OVERRIDE;
   virtual bool ShouldPumpEventsDuringCookieMessage() OVERRIDE;
   virtual void DidCreateScriptContext(WebKit::WebFrame* frame) OVERRIDE;
   virtual void DidDestroyScriptContext(WebKit::WebFrame* frame) OVERRIDE;
   virtual void DidCreateIsolatedScriptContext(
       WebKit::WebFrame* frame) OVERRIDE;
   virtual unsigned long long VisitedLinkHash(const char* canonical_url,
                                              size_t length) OVERRIDE;
   virtual bool IsLinkVisited(unsigned long long link_hash) OVERRIDE;
   virtual void PrefetchHostName(const char* hostname, size_t length) OVERRIDE;
   virtual bool ShouldOverridePageVisibilityState(
       const RenderView* render_view,
       WebKit::WebPageVisibilityState* override_state) const OVERRIDE;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MOCK_CONTENT_RENDERER_CLIENT_H_