Take out the activex control.

chrome/common/render_messages_internal.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.
 
 // This header is meant to be included in multiple passes, hence no traditional
 // header guard.
 // See ipc_message_macros.h for explanation of the macros and passes.
 
 #include <string>
 #include <vector>
@@ skipping 904 matching lines @@
                               GURL /* first_party_for_cookies */,
                               std::string /* cookies */)
 
   // Used to get the list of plugins
   IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetPlugins,
                               bool /* refresh*/,
                               std::vector<WebPluginInfo> /* plugins */)
 
   // Returns a path to a plugin for the given url and mime type.  If there's
   // no plugin, an empty string is returned.
-  IPC_SYNC_MESSAGE_CONTROL4_2(ViewHostMsg_GetPluginPath,
+  IPC_SYNC_MESSAGE_CONTROL3_2(ViewHostMsg_GetPluginPath,
                               GURL /* url */,
                               GURL /* policy_url */,
                               std::string /* mime_type */,
-                              std::string /* clsid */,
                               FilePath /* filename */,
                               std::string /* actual mime type for url */)
 
   // Requests spellcheck for a word.
   IPC_SYNC_MESSAGE_ROUTED1_2(ViewHostMsg_SpellCheck,
                              std::wstring /* word to check */,
                              int /* misspell location */,
                              int /* misspell length */)
 
   IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetAutoCorrectWord,
@@ skipping 71 matching lines @@
   // A message for an external host.
   IPC_MESSAGE_ROUTED3(ViewHostMsg_ForwardMessageToExternalHost,
                       std::string  /* message */,
                       std::string  /* origin */,
                       std::string  /* target */)
 
   // A renderer sends this to the browser process when it wants to
   // create a plugin.  The browser will create the plugin process if
   // necessary, and will return a handle to the channel on success.
   // On error an empty string is returned.
-  IPC_SYNC_MESSAGE_CONTROL4_2(ViewHostMsg_OpenChannelToPlugin,
+  IPC_SYNC_MESSAGE_CONTROL3_2(ViewHostMsg_OpenChannelToPlugin,
                               GURL /* url */,
                               std::string /* mime_type */,
-                              std::string /* clsid */,
                               std::wstring /* locale */,
                               IPC::ChannelHandle /* handle to channel */,
                               WebPluginInfo /* info */)
 
 #if defined(OS_LINUX)
   // A renderer sends this when it needs a browser-side widget for
   // hosting a windowed plugin. id is the XID of the plugin window, for which
   // the container is created.
   IPC_SYNC_MESSAGE_ROUTED1_0(ViewHostMsg_CreatePluginContainer,
                              gfx::PluginWindowHandle /* id */)
@@ skipping 667 matching lines @@
   IPC_MESSAGE_CONTROL2(ViewHostMsg_DatabaseGetFileAttributes,
                        FilePath /* the name of the file */,
                        int32 /* a unique message ID */)
 
   // Asks the browser process to return the size of a DB file
   IPC_MESSAGE_CONTROL2(ViewHostMsg_DatabaseGetFileSize,
                        FilePath /* the name of the file */,
                        int32 /* a unique message ID */)
 
 IPC_END_MESSAGES(ViewHost)