Use ChannelMojo for NaCl IRT channels in non-sfi mode.

components/nacl/loader/nonsfi/nonsfi_listener.cc

Index: components/nacl/loader/nonsfi/nonsfi_listener.cc
diff --git a/components/nacl/loader/nonsfi/nonsfi_listener.cc b/components/nacl/loader/nonsfi/nonsfi_listener.cc
index d85e181ad9674857ccdc37ba4973bb9fcb4d4575..6b973f33da164e2a6224be56accf2ab146f1e64f 100644
--- a/components/nacl/loader/nonsfi/nonsfi_listener.cc
+++ b/components/nacl/loader/nonsfi/nonsfi_listener.cc
@@ -106,10 +106,10 @@ void NonSfiListener::OnStart(const nacl::NaClStartParams& params) {
   // plugin's main thread. We just pass the FDs to plugin side.
   // The FDs are created in the browser process. Following check can fail
   // if the preparation for sending NaClProcessMsg_Start were incomplete.
-  CHECK_NE(params.ppapi_browser_channel_handle.socket.fd, -1);
-  CHECK_NE(params.ppapi_renderer_channel_handle.socket.fd, -1);
-  CHECK_NE(params.trusted_service_channel_handle.socket.fd, -1);
-  CHECK_NE(params.manifest_service_channel_handle.socket.fd, -1);
+  CHECK(params.ppapi_browser_channel_handle.mojo_handle.is_valid());
+  CHECK(params.ppapi_renderer_channel_handle.mojo_handle.is_valid());
+  CHECK(params.trusted_service_channel_handle.mojo_handle.is_valid());
+  CHECK(params.manifest_service_channel_handle.mojo_handle.is_valid());
 
   ppapi::SetIPCChannelHandles(
       params.ppapi_browser_channel_handle,