Use ChannelMojo for plugin-renderer channels.

content/renderer/pepper/plugin_module.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/renderer/pepper/plugin_module.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
 
@@ skipping 783 matching lines @@
     // In-process plugin not preloaded, it probably couldn't be initialized.
     return scoped_refptr<PluginModule>();
   }
 
   // Out of process: have the browser start the plugin process for us.
   IPC::ChannelHandle channel_handle;
   base::ProcessId peer_pid = 0;
   int plugin_child_id = 0;
   render_frame->Send(new FrameHostMsg_OpenChannelToPepperPlugin(
       path, &channel_handle, &peer_pid, &plugin_child_id));
-  if (channel_handle.name.empty()) {
+  if (!channel_handle.is_mojo_channel_handle()) {
     // Couldn't be initialized.
     return scoped_refptr<PluginModule>();
   }
 
   ppapi::PpapiPermissions permissions(info->permissions);
 
   // AddLiveModule must be called before any early returns since the
   // module's destructor will remove itself.
   module = new PluginModule(info->name, info->version, path, permissions);
   PepperPluginRegistry::GetInstance()->AddLiveModule(path, module.get());
 
   if (!module->CreateOutOfProcessModule(render_frame,
                                         path,
                                         permissions,
                                         channel_handle,
                                         peer_pid,
                                         plugin_child_id,
                                         false))  // is_external = false
     return scoped_refptr<PluginModule>();
 
   return module;
 }
 
 }  // namespace content