mojom: Remove braces from module statements and make them come first.

mojo/services/public/interfaces/input_events/input_key_codes.mojom

Index: mojo/services/public/interfaces/input_events/input_key_codes.mojom
diff --git a/mojo/services/public/interfaces/input_events/input_key_codes.mojom b/mojo/services/public/interfaces/input_events/input_key_codes.mojom
index bd955aac3b8122a2b9e507a650cdb0293db3cb26..695f5bddf9ec766c378f2e2c870742897477b07c 100644
--- a/mojo/services/public/interfaces/input_events/input_key_codes.mojom
+++ b/mojo/services/public/interfaces/input_events/input_key_codes.mojom
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-module mojo {
+module mojo;
 
 // Cross platform keyboard codes.
 //
@@ -184,5 +184,3 @@ enum KeyboardCode {
   // VK_OEM_AX to represent AltGr, matching the behaviour of Firefox on Linux.
   ALTGR                     = 0xE1,
 };
-
-}  // module mojo