Rename mojo.* ui/gfx/geometry/mojo types to gfx.mojom.*

ui/keyboard/keyboard.mojom

 // Copyright 2016 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 keyboard.mojom;
 
 import "ui/gfx/geometry/mojo/geometry.mojom";
 
 interface KeyboardObserver {
   // Sent any time state changes in the keyboard.
   OnKeyboardStateChanged(bool is_enabled,
                          bool is_visible,
                          uint64 display_id,
-                         mojo.Rect bounds);
+                         gfx.mojom.Rect bounds);
 };
 
 interface Keyboard {
   // TODO(sky): needs display id.
   Show();
   Hide();
 
   // Adds an observer. OnKeyboardStateChanged() is immediately called to give
   // the initial state.
   AddObserver(KeyboardObserver observer);
 };