Update our use of the NPAPI ClearSiteData API.

webkit/plugins/npapi/plugin_instance.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.
 
 // TODO: Need to deal with NPAPI's NPSavedData.
 //       I haven't seen plugins use it yet.
 
 #ifndef WEBKIT_PLUGINS_NPAPI_PLUGIN_INSTANCE_H_
 #define WEBKIT_PLUGINS_NPAPI_PLUGIN_INSTANCE_H_
 
@@ skipping 179 matching lines @@
   NPError NPP_DestroyStream(NPStream *, NPReason);
   int NPP_WriteReady(NPStream *);
   int NPP_Write(NPStream *, int, int, void *);
   void NPP_StreamAsFile(NPStream *, const char *);
   void NPP_URLNotify(const char *, NPReason, void *);
   NPError NPP_GetValue(NPPVariable, void *);
   NPError NPP_SetValue(NPNVariable, void *);
   short NPP_HandleEvent(void*);
   void NPP_Destroy();
   bool NPP_Print(NPPrint* platform_print);
-  NPError NPP_ClearSiteData(uint64, const char*, uint64);
   void NPP_URLRedirectNotify(const char* url, int32_t status,
                              void* notify_data);
 
   void SendJavaScriptStream(const GURL& url,
                             const std::string& result,
                             bool success,
                             int notify_id);
 
   void DidReceiveManualResponse(const GURL& url,
                                 const std::string& mime_type,
@@ skipping 155 matching lines @@
  private:
   scoped_refptr<PluginInstance> instance_;
   DISALLOW_COPY_AND_ASSIGN(ScopedCurrentPluginEvent);
 };
 #endif
 
 }  // namespace npapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_NPAPI_PLUGIN_INSTANCE_H_