Move geometry to mojo/services, extract input events to their own mojom

mojo/services/native_viewport/native_viewport.mojom

 // 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.
 
-import "../../public/interfaces/geometry/geometry.mojom"
+import "../public/interfaces/geometry/geometry.mojom"
+import "../public/interfaces/input_events/input_events.mojom"
 
 module mojo {
 
-struct KeyData {
-  int32 key_code;
-  bool is_char;
-};
-
-struct TouchData {
-  int32 pointer_id;
-};
-
-struct Event {
-  int32 action;
-  int32 flags;
-  int64 time_stamp;
-  Point location;
-  KeyData key_data;
-  TouchData touch_data;
-};
-
 [Client=NativeViewportClient]
 interface NativeViewport {
   Create(Rect bounds);
   Show();
   Hide();
   Close();
   SetBounds(Rect bounds);
   CreateGLES2Context(handle<message_pipe> gles2_client);
 };
 
 interface NativeViewportClient {
   OnCreated();
   OnBoundsChanged(Rect bounds);
   OnDestroyed();
   OnEvent(Event event) => ();
 };
 
 }