ChannelMojo: Handle errors in pending message processing.

ipc/mojo/ipc_channel_mojo.cc

Index: ipc/mojo/ipc_channel_mojo.cc
diff --git a/ipc/mojo/ipc_channel_mojo.cc b/ipc/mojo/ipc_channel_mojo.cc
index 086b420cc52071ef90c7b53cf77249714efd67be..71c373e01cf07a63708871ae3077c121fc0f3e31 100644
--- a/ipc/mojo/ipc_channel_mojo.cc
+++ b/ipc/mojo/ipc_channel_mojo.cc
@@ -175,8 +175,13 @@ void ChannelMojo::OnConnected(mojo::ScopedMessagePipeHandle pipe) {
       make_scoped_ptr(new internal::MessageReader(pipe.Pass(), this));
 
   for (size_t i = 0; i < pending_messages_.size(); ++i) {
-    message_reader_->Send(make_scoped_ptr(pending_messages_[i]));
+    bool sent = message_reader_->Send(make_scoped_ptr(pending_messages_[i]));
     pending_messages_[i] = NULL;
+    if (!sent) {
+      pending_messages_.clear();
+      listener_->OnChannelError();
+      return;
+    }
   }
 
   pending_messages_.clear();