Add a Submit method to the keyboard interface

services/keyboard_native/keyboard_service_impl.cc

 // Copyright 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 "services/keyboard_native/keyboard_service_impl.h"
 
 namespace keyboard {
 
 KeyboardServiceImpl::KeyboardServiceImpl(
     mojo::InterfaceRequest<KeyboardService> request)
     : strong_binding_(this, request.Pass()), client_() {
 }
 
 KeyboardServiceImpl::~KeyboardServiceImpl() {
 }
 
 // KeyboardService implementation.
 void KeyboardServiceImpl::Show(KeyboardClientPtr client, KeyboardType type) {
   client_ = client.Pass();
 }
 
 void KeyboardServiceImpl::ShowByRequest() {
 }
 
 void KeyboardServiceImpl::Hide() {
 }
 
+void KeyboardServiceImpl::SetText(const mojo::String& text) {
+}
+
+void KeyboardServiceImpl::SetSelection(int32_t start, int32_t end) {
+}
+
 void KeyboardServiceImpl::OnKey(const char* key) {
   client_->CommitText(key, 1);
 }
 
 void KeyboardServiceImpl::OnDelete() {
   client_->DeleteSurroundingText(1, 0);
 }
 
 }  // namespace keyboard