Mojo: Move mojo/public/shell to mojo/public/{cpp,interfaces}/shell.

mojo/public/shell/shell.mojom

Index: mojo/public/shell/shell.mojom
diff --git a/mojo/public/shell/shell.mojom b/mojo/public/shell/shell.mojom
deleted file mode 100644
index 39eae784e4bac3393b1c932e65a3f06d1d13ceec..0000000000000000000000000000000000000000
--- a/mojo/public/shell/shell.mojom
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-module mojo {
-
-[Peer=ShellClient]
-interface Shell {
-  // Loads url. mojo:{service} will result in the user of the value of the
-  // --origin flag to the shell being used.
-  Connect(string url, handle<message_pipe> client_handle);
-};
-
-[Peer=Shell]
-interface ShellClient {
-  AcceptConnection(string url, handle<message_pipe> client_handle);
-};
-
-}