Mojo Channel: Fix deferred proxy dispatch; support paused channels

ipc/ipc_channel_common.cc

Index: ipc/ipc_channel_common.cc
diff --git a/ipc/ipc_channel_common.cc b/ipc/ipc_channel_common.cc
index e3f6558d6877546db2434c1f046f84c89be7cbcd..7fb51a2f049352c2d6c3c22d90f559ed519221a2 100644
--- a/ipc/ipc_channel_common.cc
+++ b/ipc/ipc_channel_common.cc
@@ -80,6 +80,15 @@ Channel::AssociatedInterfaceSupport* Channel::GetAssociatedInterfaceSupport() {
   return nullptr;
 }
 
+bool Channel::ConnectPaused() {
+  NOTREACHED();
+  return false;
+}
+
+void Channel::Unpause(bool flush) { NOTREACHED(); }
+
+void Channel::Flush() { NOTREACHED(); }
+
 bool Channel::IsSendThreadSafe() const {
   return false;
 }