Coverity: Fix missing const on WebPluginDelegatePepper::Device3DCreateContext override arg.

chrome/renderer/webplugin_delegate_pepper.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_RENDERER_WEBPLUGIN_DELEGATE_PEPPER_H_
 #define CHROME_RENDERER_WEBPLUGIN_DELEGATE_PEPPER_H_
 
 #include "build/build_config.h"
 
 #include <map>
@@ skipping 130 matching lines @@
                                        int32* id);
   virtual NPError Device3DDestroyBuffer(NPDeviceContext3D* context,
                                         int32 id);
   virtual NPError Device3DMapBuffer(NPDeviceContext3D* context,
                                     int32 id,
                                     NPDeviceBuffer* buffer);
   virtual NPError Device3DGetNumConfigs(int32* num_configs);
   virtual NPError Device3DGetConfigAttribs(int32 config,
                                            int32* attrib_list);
   virtual NPError Device3DCreateContext(int32 config,
-                                        int32* attrib_list,
+                                        const int32* attrib_list,
                                         NPDeviceContext3D** context);
   virtual NPError Device3DRegisterCallback(
       NPP id,
       NPDeviceContext3D* context,
       int32 callback_type,
       NPDeviceGenericCallbackPtr callback,
       void* callback_data);
   virtual NPError Device3DSynchronizeContext(
       NPP id,
       NPDeviceContext3D* context,
@@ skipping 171 matching lines @@
   // pointer to the callback specified by the plugin. Will be NULL otherwise.
   NPChooseFileCallback current_choose_file_callback_;
   void* current_choose_file_user_data_;
 
   scoped_ptr<WebKit::WebCursorInfo> cursor_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginDelegatePepper);
 };
 
 #endif  // CHROME_RENDERER_WEBPLUGIN_DELEGATE_PEPPER_H_