Remove 'WebPlugin::CheckIfRunInsecureContent'.

content/renderer/npapi/webplugin_delegate_proxy.h

 // Copyright (c) 2012 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_NPAPI_WEBPLUGIN_DELEGATE_PROXY_H_
 #define CONTENT_RENDERER_NPAPI_WEBPLUGIN_DELEGATE_PROXY_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 133 matching lines @@
   void OnGetCookies(const GURL& url, const GURL& first_party_for_cookies,
                     std::string* cookies);
   void OnCancelDocumentLoad();
   void OnInitiateHTTPRangeRequest(const std::string& url,
                                   const std::string& range_info,
                                   int range_request_id);
   void OnDidStartLoading();
   void OnDidStopLoading();
   void OnDeferResourceLoading(unsigned long resource_id, bool defer);
   void OnURLRedirectResponse(bool allow, int resource_id);
-  void OnCheckIfRunInsecureContent(const GURL& url, bool* result);
 #if defined(OS_MACOSX)
   void OnFocusChanged(bool focused);
   void OnStartIme();
   // Accelerated (Core Animation) plugin implementation.
   void OnAcceleratedPluginEnabledRendering();
   void OnAcceleratedPluginAllocatedIOSurface(int32_t width,
                                              int32_t height,
                                              uint32_t surface_id);
   void OnAcceleratedPluginSwappedIOSurface();
 #endif
@@ skipping 112 matching lines @@
 
   // The url of the main frame hosting the plugin.
   GURL page_url_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginDelegateProxy);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_NPAPI_WEBPLUGIN_DELEGATE_PROXY_H_