IME for Mus: Add ui.mojom.CompositionText and its struct traits.

ui/aura/mus/input_method_mus.cc

 // Copyright (c) 2015 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.
 
 #include "ui/aura/mus/input_method_mus.h"
 
 #include <utility>
 
 #include "services/ui/public/interfaces/constants.mojom.h"
-#include "services/ui/public/interfaces/ime.mojom.h"
+#include "services/ui/public/interfaces/ime/ime.mojom.h"
 #include "services/ui/public/interfaces/window_tree_constants.mojom.h"
 #include "ui/aura/mus/text_input_client_impl.h"
 #include "ui/aura/mus/window_port_mus.h"
 #include "ui/aura/window.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/events/event.h"
 #include "ui/platform_window/mojo/ime_type_converters.h"
 #include "ui/platform_window/mojo/text_input_state.mojom.h"
 
 using ui::mojom::EventResult;
@@ skipping 140 matching lines @@
     event_result = EventResult::HANDLED;
   }
   // |ack_callback| can be null if the standard form of DispatchKeyEvent() is
   // called instead of the version which provides a callback. In mus+ash we
   // use the version with callback, but some unittests use the standard form.
   if (ack_callback)
     ack_callback->Run(event_result);
 }
 
 }  // namespace aura