Fix shutdown assert with the new Mojo EDK.

mojo/edk/system/routed_raw_channel.cc

Index: mojo/edk/system/routed_raw_channel.cc
diff --git a/mojo/edk/system/routed_raw_channel.cc b/mojo/edk/system/routed_raw_channel.cc
index 825fc2fac30d36b2982b4a497fed78c98d07d893..3c10b973a59064b1b7c8cb2bfd90b8b5bad66ecc 100644
--- a/mojo/edk/system/routed_raw_channel.cc
+++ b/mojo/edk/system/routed_raw_channel.cc
@@ -132,8 +132,11 @@ void RoutedRawChannel::OnReadMessage(
 void RoutedRawChannel::OnError(Error error) {
   DCHECK(internal::g_io_thread_task_runner->RunsTasksOnCurrentThread());
 
-  channel_->Shutdown();
-  channel_ = nullptr;
+  if (error != ERROR_WRITE) {

[yzshen1, 2015/12/15 03:06:01]

It seems nice to add comment for it.

[jam, 2015/12/15 04:22:31]

Sure will do in a followup

+    channel_->Shutdown();
+    channel_ = nullptr;
+  }
+
   if (routes_.empty()) {
     delete this;
     return;