Remove TextTrack.regions and VTTRegionList

third_party/WebKit/Source/core/html/track/vtt/VTTRegionList.cpp

-/*
- * Copyright (C) 2013 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "core/html/track/vtt/VTTRegionList.h"
-
-namespace blink {
-
-VTTRegionList::VTTRegionList() {}
-
-unsigned long VTTRegionList::length() const {
-  return m_list.size();
-}
-
-VTTRegion* VTTRegionList::item(unsigned index) const {
-  if (index < m_list.size())
-    return m_list[index].get();
-
-  return nullptr;
-}
-
-VTTRegion* VTTRegionList::getRegionById(const String& id) const {
-  if (id.isEmpty())
-    return nullptr;
-
-  for (const auto& region : m_list) {
-    if (region->id() == id)
-      return region.get();
-  }
-
-  return nullptr;
-}
-
-void VTTRegionList::add(VTTRegion* region) {
-  m_list.push_back(region);
-}
-
-bool VTTRegionList::remove(VTTRegion* region) {
-  size_t index = m_list.find(region);
-  if (index == kNotFound)
-    return false;
-
-  m_list.remove(index);
-  return true;
-}
-
-DEFINE_TRACE(VTTRegionList) {
-  visitor->trace(m_list);
-}
-
-}  // namespace blink