It is time.

ui/base/ime/composition_text.h

-// Copyright (c) 2012 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 UI_BASE_IME_COMPOSITION_TEXT_H_
-#define UI_BASE_IME_COMPOSITION_TEXT_H_
-
-#include "base/strings/string16.h"
-#include "ui/base/ime/composition_underline.h"
-#include "ui/base/ui_base_export.h"
-#include "ui/gfx/range/range.h"
-
-namespace ui {
-
-// A struct represents the status of an ongoing composition text.
-struct UI_BASE_EXPORT CompositionText {
-  CompositionText();
-  ~CompositionText();
-
-  bool operator==(const CompositionText& rhs) const {
-    if ((this->text != rhs.text) ||
-        (this->selection != rhs.selection) ||
-        (this->underlines.size() != rhs.underlines.size()))
-      return false;
-    for (size_t i = 0; i < this->underlines.size(); ++i) {
-      if (this->underlines[i] != rhs.underlines[i])
-        return false;
-    }
-    return true;
-  }
-
-  bool operator!=(const CompositionText& rhs) const {
-    return !(*this == rhs);
-  }
-
-  void Clear();
-
-  // Content of the composition text.
-  base::string16 text;
-
-  // Underline information of the composition text.
-  // They must be sorted in ascending order by their start_offset and cannot be
-  // overlapped with each other.
-  CompositionUnderlines underlines;
-
-  // Selection range in the composition text. It represents the caret position
-  // if the range length is zero. Usually it's used for representing the target
-  // clause (on Windows). Gtk doesn't have such concept, so background color is
-  // usually used instead.
-  gfx::Range selection;
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_IME_COMPOSITION_TEXT_H_