Revert of IME for Mus: Make InputMethodMus use the IME Mojo API.

services/ui/ime/ime_server_impl.h

 // 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.
 
 #ifndef SERVICES_UI_IME_IME_SERVER_IMPL_H_
 #define SERVICES_UI_IME_IME_SERVER_IMPL_H_
 
 #include <utility>
 
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "services/ui/public/interfaces/ime.mojom.h"
 
-namespace shell {
-class Connector;
-}
-
 namespace ui {
 
 class IMEServerImpl : public mojom::IMEServer {
  public:
   IMEServerImpl();
   ~IMEServerImpl() override;
 
-  void Init(shell::Connector* connector);
   void AddBinding(mojom::IMEServerRequest request);
   void OnDriverChanged(mojom::IMEDriverPtr driver);
 
  private:
   // mojom::IMEServer:
   void StartSession(mojom::TextInputClientPtr client,
                     mojom::InputMethodRequest input_method) override;
 
   mojo::BindingSet<mojom::IMEServer> bindings_;
   mojom::IMEDriverPtr driver_;
   int current_id_;
 
   using PendingRequest =
       std::pair<mojom::TextInputClientPtr, mojom::InputMethodRequest>;
   std::queue<PendingRequest> pending_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(IMEServerImpl);
 };
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_IME_IME_SERVER_IMPL_H_