Embedded Extension Options: Open all external links in a new tab

chrome/browser/guest_view/extension_options/extension_options_guest.h

 // Copyright 2014 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_BROWSER_GUEST_VIEW_EXTENSION_OPTIONS_EXTENSION_OPTIONS_GUEST_H_
 #define CHROME_BROWSER_GUEST_VIEW_EXTENSION_OPTIONS_EXTENSION_OPTIONS_GUEST_H_
 
 #include "base/macros.h"
 #include "extensions/browser/extension_function_dispatcher.h"
 #include "extensions/browser/guest_view/guest_view.h"
@@ skipping 24 matching lines @@
   virtual int GetTaskPrefix() const OVERRIDE;
   virtual void GuestSizeChangedDueToAutoSize(
       const gfx::Size& old_size,
       const gfx::Size& new_size) OVERRIDE;
   virtual bool IsAutoSizeSupported() const OVERRIDE;
 
   // ExtensionFunctionDispatcher::Delegate implementation.
   virtual content::WebContents* GetAssociatedWebContents() const OVERRIDE;
 
   // content::WebContentsDelegate implementation.
+  virtual content::WebContents* OpenURLFromTab(
+      content::WebContents* source,
+      const content::OpenURLParams& params) OVERRIDE;
   virtual void CloseContents(content::WebContents* source) OVERRIDE;
   virtual bool HandleContextMenu(
       const content::ContextMenuParams& params) OVERRIDE;
   virtual bool ShouldCreateWebContents(
       content::WebContents* web_contents,
       int route_id,
       WindowContainerType window_container_type,
       const base::string16& frame_name,
       const GURL& target_url,
       const std::string& partition_id,
@@ skipping 10 matching lines @@
   void SetUpAutoSize();
 
   scoped_ptr<extensions::ExtensionFunctionDispatcher>
       extension_function_dispatcher_;
   GURL options_page_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionOptionsGuest);
 };
 
 #endif  // CHROME_BROWSER_GUEST_VIEW_EXTENSION_OPTIONS_EXTENSION_OPTIONS_GUEST_H_