Revert "Send input event IPCs directly from the UI thread"

ipc/ipc_sync_channel.cc

Index: ipc/ipc_sync_channel.cc
diff --git a/ipc/ipc_sync_channel.cc b/ipc/ipc_sync_channel.cc
index 570647bd5f58622e6555c51fb531b131bd4846dd..56e7bc107ff06d2ed5d53dc866f3deab22abc685 100644
--- a/ipc/ipc_sync_channel.cc
+++ b/ipc/ipc_sync_channel.cc
@@ -698,36 +698,4 @@ void SyncChannel::OnChannelInit() {
   pre_init_sync_message_filters_.clear();
 }
 
-bool SyncChannel::SendNow(std::unique_ptr<Message> message) {
-#ifdef IPC_MESSAGE_LOG_ENABLED
-  std::string name;
-  Logging::GetInstance()->GetMessageText(
-      message->type(), &name, message.get(), nullptr);
-  TRACE_EVENT1("ipc", "SyncChannel::SendNow", "name", name);
-#else
-  TRACE_EVENT2("ipc", "SyncChannel::SendNow",
-               "class", IPC_MESSAGE_ID_CLASS(message->type()),
-               "line", IPC_MESSAGE_ID_LINE(message->type()));
-#endif
-  if (!message->is_sync())
-    return ChannelProxy::SendNow(std::move(message));
-  return Send(message.release());
-}
-
-bool SyncChannel::SendOnIPCThread(std::unique_ptr<Message> message) {
-#ifdef IPC_MESSAGE_LOG_ENABLED
-  std::string name;
-  Logging::GetInstance()->GetMessageText(
-      message->type(), &name, message.get(), nullptr);
-  TRACE_EVENT1("ipc", "SyncChannel::SendOnIPCThread", "name", name);
-#else
-  TRACE_EVENT2("ipc", "SyncChannel::SendOnIPCThread",
-               "class", IPC_MESSAGE_ID_CLASS(message->type()),
-               "line", IPC_MESSAGE_ID_LINE(message->type()));
-#endif
-  if (!message->is_sync())
-    return ChannelProxy::SendOnIPCThread(std::move(message));
-  return Send(message.release());
-}
-
 }  // namespace IPC