Fixing a regression introduced with r69101, which now prevents Chrome Frame...

chrome_frame/chrome_frame_npapi.h

 // 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.
 
 #ifndef CHROME_FRAME_CHROME_FRAME_NPAPI_H_
 #define CHROME_FRAME_CHROME_FRAME_NPAPI_H_
 
 #include <atlbase.h>
 #include <atlwin.h>
 #include <string>
 
 #include "chrome_frame/chrome_frame_automation.h"
 #include "chrome_frame/chrome_frame_plugin.h"
-#include "chrome_frame/navigation_constraints.h"
 #include "chrome_frame/np_browser_functions.h"
 #include "chrome_frame/np_event_listener.h"
 #include "chrome_frame/np_proxy_service.h"
 #include "chrome_frame/npapi_url_request.h"
 
 class MessageLoop;
 class nsICookieService;
 class nsIURI;
 
 // ChromeFrameNPAPI: Implementation of the NPAPI plugin, which is responsible
 // for hosting a chrome frame, i.e. an iframe like widget which hosts the the
 // chrome window. This object delegates to Chrome.exe  (via the Chrome
 // IPC-based automation mechanism) for the actual rendering.
 class ChromeFrameNPAPI
     : public CWindowImpl<ChromeFrameNPAPI>,
       public ChromeFramePlugin<ChromeFrameNPAPI>,
-      public NpEventDelegate,
-      public NavigationConstraintsImpl {
+      public NpEventDelegate {
  public:
   typedef ChromeFramePlugin<ChromeFrameNPAPI> Base;
 
   // NPObject structure which is exposed by us.
   struct ChromeFrameNPObject : public NPObject {
     NPP npp;
     ChromeFrameNPAPI* chrome_frame_plugin_instance;
   };
 
   typedef enum {
@@ skipping 305 matching lines @@
   // The value of src property keeping the current URL.
   std::string src_;
   // Used to fetch network resources when host network stack is in use.
   NPAPIUrlRequestManager url_fetcher_;
 
   // Set if we receive a navigation request before initializing Chrome.
   bool navigate_after_initialization_;
 };
 
 #endif  // CHROME_FRAME_CHROME_FRAME_NPAPI_H_