Adding a privileged callback used in IE CF to check whether to show...

chrome_frame/chrome_frame_activex.h

 // Copyright (c) 2010 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_ACTIVEX_H_
 #define CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_
 
 #include <atlbase.h>
 #include <atlcom.h>
 #include <atlctl.h>
@@ skipping 86 matching lines @@
   virtual void OnLoadFailed(int error_code, const std::string& url);
   virtual void OnAutomationServerLaunchFailed(
       AutomationLaunchResult reason, const std::string& server_version);
   virtual void OnExtensionInstalled(const FilePath& path,
       void* user_data, AutomationMsg_ExtensionResponseValues response);
   virtual void OnGetEnabledExtensionsComplete(
       void* user_data,
       const std::vector<FilePath>& extension_directories);
   virtual void OnChannelError();
 
+  // Separated to static function for unit testing this logic more easily.
+  static bool ShouldShowVersionMismatchDialog(bool is_privileged,
+                                              IOleClientSite* client_site);
+
  private:
   LRESULT OnCreate(UINT message, WPARAM wparam, LPARAM lparam,
                    BOOL& handled);  // NO_LINT
   LRESULT OnHostMoved(UINT message, WPARAM wparam, LPARAM lparam,
                       BOOL& handled);  // NO_LINT
 
   HRESULT GetContainingDocument(IHTMLDocument2** doc);
   HRESULT GetDocumentWindow(IHTMLWindow2** window);
 
   // Gets the value of the 'id' attribute of the object element.
@@ skipping 21 matching lines @@
                  BSTR target);
 
   // Installs a hook on the top-level window hosting the control.
   HRESULT InstallTopLevelHook(IOleClientSite* client_site);
 
   // A hook attached to the top-level window containing the ActiveX control.
   HHOOK chrome_wndproc_hook_;
 };
 
 #endif  // CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_