Move //mojo/shell to //shell

//shell is unambiguous in this repository and shorter.

R=ben@chromium.org

Review URL: https://codereview.chromium.org/775343004
diff --git a/shell/init.h b/shell/init.h
new file mode 100644
index 0000000..23a5140
--- /dev/null
+++ b/shell/init.h
@@ -0,0 +1,18 @@
+// 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.
+
+#ifndef SHELL_INIT_H_
+#define SHELL_INIT_H_
+
+namespace mojo {
+namespace shell {
+
+// Initialization routines shared by desktop and Android main functions.
+
+void InitializeLogging();
+
+}  // namespace shell
+}  // namespace mojo
+
+#endif  // SHELL_INIT_H_