Move the local struct definitions off ui/base/ime.

ui/base/ime/ime_engine_handler_interface.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 "build/build_config.h"
-#include "ui/base/ime/ime_engine_handler_interface.h"
-
-namespace ui {
-
-IMEEngineHandlerInterface::KeyboardEvent::KeyboardEvent()
-    : alt_key(false), ctrl_key(false), shift_key(false), caps_lock(false) {}
-
-IMEEngineHandlerInterface::KeyboardEvent::~KeyboardEvent() {}
-
-// ChromeOS only APIs.
-#if defined(OS_CHROMEOS)
-
-IMEEngineHandlerInterface::MenuItem::MenuItem() {}
-
-IMEEngineHandlerInterface::MenuItem::~MenuItem() {}
-
-IMEEngineHandlerInterface::Candidate::Candidate() {}
-
-IMEEngineHandlerInterface::Candidate::~Candidate() {}
-
-namespace {
-// The default entry number of a page in CandidateWindowProperty.
-const int kDefaultPageSize = 9;
-}  // namespace
-
-// When the default values are changed, please modify
-// CandidateWindow::CandidateWindowProperty defined in chromeos/ime/ too.
-IMEEngineHandlerInterface::CandidateWindowProperty::CandidateWindowProperty()
-    : page_size(kDefaultPageSize),
-      is_cursor_visible(true),
-      is_vertical(false),
-      show_window_at_composition(false) {}
-
-IMEEngineHandlerInterface::CandidateWindowProperty::~CandidateWindowProperty() {
-}
-
-#endif
-
-}  // namespace ui