ppapi: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

ppapi/nacl_irt/manifest_service.cc

Index: ppapi/nacl_irt/manifest_service.cc
diff --git a/ppapi/nacl_irt/manifest_service.cc b/ppapi/nacl_irt/manifest_service.cc
index a97c5d42d02c10e88160e26045c63bc0b0556436..8a6ec1f641835bae0181f12acb432585a3a8ad62 100644
--- a/ppapi/nacl_irt/manifest_service.cc
+++ b/ppapi/nacl_irt/manifest_service.cc
@@ -4,7 +4,7 @@
 
 #include "ppapi/nacl_irt/manifest_service.h"
 
-#include "base/message_loop/message_loop_proxy.h"
+#include "base/single_thread_task_runner.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_sync_message_filter.h"
@@ -66,13 +66,12 @@ class ManifestMessageFilter : public IPC::SyncMessageFilter {
 
 ManifestService::ManifestService(
     const IPC::ChannelHandle& handle,
-    scoped_refptr<base::MessageLoopProxy> io_message_loop,
+    scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
     base::WaitableEvent* shutdown_event) {
   filter_ = new ManifestMessageFilter(shutdown_event);
-  channel_ = IPC::ChannelProxy::Create(handle,
-                                       IPC::Channel::MODE_SERVER,
+  channel_ = IPC::ChannelProxy::Create(handle, IPC::Channel::MODE_SERVER,
                                        NULL,  // Listener
-                                       io_message_loop.get());
+                                       io_task_runner.get());
   channel_->AddFilter(filter_.get());
 }