Add tracing support to NaCl

content/browser/renderer_host/pepper/browser_ppapi_host_impl.cc

 // 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.
 
 #include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h"
 #include "content/browser/renderer_host/pepper/pepper_message_filter.h"
 
+#include "content/browser/trace_message_filter.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_view_host.h"
 #include "ipc/ipc_message_macros.h"
 
 namespace content {
 
 // static
 BrowserPpapiHost* BrowserPpapiHost::CreateExternalPluginProcess(
     IPC::Sender* sender,
     ppapi::PpapiPermissions permissions,
     base::ProcessHandle plugin_child_process,
     IPC::ChannelProxy* channel,
     net::HostResolver* host_resolver,
     int render_process_id,
     int render_view_id) {
   BrowserPpapiHostImpl* browser_ppapi_host =
       new BrowserPpapiHostImpl(sender, permissions);
   browser_ppapi_host->set_plugin_process_handle(plugin_child_process);
 
   channel->AddFilter(
       new PepperMessageFilter(PepperMessageFilter::NACL,
                               permissions,
                               host_resolver,
                               render_process_id,
                               render_view_id));
+  channel->AddFilter(new TraceMessageFilter());
 
   return browser_ppapi_host;
 }
 
 BrowserPpapiHostImpl::BrowserPpapiHostImpl(
     IPC::Sender* sender,
     const ppapi::PpapiPermissions& permissions)
     : ppapi_host_(sender, permissions),
       plugin_process_handle_(base::kNullProcessHandle) {
   message_filter_ = new HostMessageFilter(&ppapi_host_);
@@ skipping 72 matching lines @@
   */
   return ppapi_host_->OnMessageReceived(msg);
 }
 
 void BrowserPpapiHostImpl::HostMessageFilter::OnHostDestroyed() {
   DCHECK(ppapi_host_);
   ppapi_host_ = NULL;
 }
 
 }  // namespace content