Convert NaCl renderer-loader messages to mojo.

components/nacl/renderer/trusted_plugin_channel.cc

Index: components/nacl/renderer/trusted_plugin_channel.cc
diff --git a/components/nacl/renderer/trusted_plugin_channel.cc b/components/nacl/renderer/trusted_plugin_channel.cc
index 1cfef1777cdc5c3666a6bd60bbbb6aaa0c78e22c..bf47f0e940cd5aadf5fc6eb5d6556058a8bb1d96 100644
--- a/components/nacl/renderer/trusted_plugin_channel.cc
+++ b/components/nacl/renderer/trusted_plugin_channel.cc
@@ -5,56 +5,43 @@
 #include "components/nacl/renderer/trusted_plugin_channel.h"
 
 #include "base/callback_helpers.h"
-#include "components/nacl/common/nacl_renderer_messages.h"
 #include "components/nacl/renderer/histogram.h"
 #include "components/nacl/renderer/nexe_load_manager.h"
-#include "content/public/renderer/render_thread.h"
-#include "ipc/ipc_sync_channel.h"
-#include "ipc/ipc_message_macros.h"
 #include "ppapi/c/pp_errors.h"
 
 namespace nacl {
 
 TrustedPluginChannel::TrustedPluginChannel(
     NexeLoadManager* nexe_load_manager,
-    const IPC::ChannelHandle& handle,
-    base::WaitableEvent* shutdown_event,
+    mojom::NaClRendererHostRequest request,
     bool is_helper_nexe)
     : nexe_load_manager_(nexe_load_manager),
+      binding_(this, std::move(request)),
       is_helper_nexe_(is_helper_nexe) {
-  channel_ = IPC::SyncChannel::Create(
-      handle, IPC::Channel::MODE_CLIENT, this,
-      content::RenderThread::Get()->GetIOTaskRunner(), true, shutdown_event);
+  binding_.set_connection_error_handler(base::Bind(
+      &TrustedPluginChannel::OnChannelError, base::Unretained(this)));
 }
 
 TrustedPluginChannel::~TrustedPluginChannel() {
 }
 
-bool TrustedPluginChannel::Send(IPC::Message* message) {
-  return channel_->Send(message);
-}
-
-bool TrustedPluginChannel::OnMessageReceived(const IPC::Message& msg) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(TrustedPluginChannel, msg)
-    IPC_MESSAGE_HANDLER(NaClRendererMsg_ReportExitStatus, OnReportExitStatus);
-    IPC_MESSAGE_HANDLER(NaClRendererMsg_ReportLoadStatus, OnReportLoadStatus);
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
 void TrustedPluginChannel::OnChannelError() {
   if (!is_helper_nexe_)
     nexe_load_manager_->NexeDidCrash();
 }
 
-void TrustedPluginChannel::OnReportExitStatus(int exit_status) {
+void TrustedPluginChannel::ReportExitStatus(
+    int exit_status,
+    const ReportExitStatusCallback& callback) {
+  callback.Run();
   if (!is_helper_nexe_)
     nexe_load_manager_->set_exit_status(exit_status);
 }
 
-void TrustedPluginChannel::OnReportLoadStatus(NaClErrorCode load_status) {
+void TrustedPluginChannel::ReportLoadStatus(
+    NaClErrorCode load_status,
+    const ReportLoadStatusCallback& callback) {
+  callback.Run();
   if (load_status < 0 || load_status > NACL_ERROR_CODE_MAX) {
     load_status = LOAD_STATUS_UNKNOWN;
   }
@@ -75,4 +62,9 @@ void TrustedPluginChannel::OnReportLoadStatus(NaClErrorCode load_status) {
   }
 }
 
+void TrustedPluginChannel::ProvideExitControl(
+    mojom::NaClExitControlPtr exit_control) {
+  exit_control_ = std::move(exit_control);
+}
+
 }  // namespace nacl