Stop linking in the old Mojo EDK.

ipc/mojo/scoped_ipc_support.h

Index: ipc/mojo/scoped_ipc_support.h
diff --git a/ipc/mojo/scoped_ipc_support.h b/ipc/mojo/scoped_ipc_support.h
index 21013fa75c0469ae8554f90d482e24eb0f31d6df..48c43fc7227a613b92791c5f5400c368e9b2e9fb 100644
--- a/ipc/mojo/scoped_ipc_support.h
+++ b/ipc/mojo/scoped_ipc_support.h
@@ -18,8 +18,8 @@ namespace IPC {
 // the current process and that it is shutdown cleanly when no longer in use.
 //
 // NOTE: Unless you are making explicit calls to functions in the
-// mojo::embedder namespace, you almost definitely DO NOT need this and should
-// not be using it.
+// mojo::edk namespace, you almost definitely DO NOT need this and should not be
+// using it.
 class IPC_MOJO_EXPORT ScopedIPCSupport {
  public:
   ScopedIPCSupport(scoped_refptr<base::TaskRunner> io_thread_task_runner);