content/child: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/renderer/npapi/plugin_channel_host.h

Index: content/renderer/npapi/plugin_channel_host.h
diff --git a/content/renderer/npapi/plugin_channel_host.h b/content/renderer/npapi/plugin_channel_host.h
index a76f8240bfa91bd555ebf9fbb956b97b03283c79..6c6f8e2593f22bf26eed19670209a43ce8b64d7d 100644
--- a/content/renderer/npapi/plugin_channel_host.h
+++ b/content/renderer/npapi/plugin_channel_host.h
@@ -23,9 +23,9 @@ class PluginChannelHost : public NPChannelBase {
 #endif
   static PluginChannelHost* GetPluginChannelHost(
       const IPC::ChannelHandle& channel_handle,
-      base::MessageLoopProxy* ipc_message_loop);
+      base::SingleThreadTaskRunner* ipc_task_runner);
 
-  bool Init(base::MessageLoopProxy* ipc_message_loop,
+  bool Init(base::SingleThreadTaskRunner* ipc_task_runner,
             bool create_pipe_now,
             base::WaitableEvent* shutdown_event) override;