Remove InputMethodEventHandler.

ui/aura/test/aura_test_utils.cc

 // Copyright 2014 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/test/aura_test_utils.h"
 
 #include <utility>
 
 #include "base/macros.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/aura/window_tree_host.h"
 
 namespace aura {
 namespace test {
 
 class WindowTreeHostTestApi {
  public:
   explicit WindowTreeHostTestApi(WindowTreeHost* host) : host_(host) {}
 
   const gfx::Point& last_cursor_request_position_in_host() {
     return host_->last_cursor_request_position_in_host_;
   }
 
   void set_dispatcher(std::unique_ptr<WindowEventDispatcher> dispatcher) {
     host_->dispatcher_ = std::move(dispatcher);
   }
 
+  void disable_ime() { host_->dispatcher_->set_skip_ime(true); }

[sadrul, 2017/05/15 18:14:54]

I think this can break after the first key event dispatch? See comment in
WindowTreeHost.

+
  private:
   WindowTreeHost* host_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostTestApi);
 };
 
 const gfx::Point& QueryLatestMousePositionRequestInHost(WindowTreeHost* host) {
   WindowTreeHostTestApi host_test_api(host);
   return host_test_api.last_cursor_request_position_in_host();
 }
 
 void SetHostDispatcher(WindowTreeHost* host,
                        std::unique_ptr<WindowEventDispatcher> dispatcher) {
   WindowTreeHostTestApi host_test_api(host);
   host_test_api.set_dispatcher(std::move(dispatcher));
 }
 
+void DisableIME(WindowTreeHost* host) {
+  WindowTreeHostTestApi host_test_api(host);
+  host_test_api.disable_ime();
+}
+
 }  // namespace test
 }  // namespace aura