Remove --ash-disable-overview-mode

ash/wm/window_cycle_list.cc

-// 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.
-
-#include "ash/wm/window_cycle_list.h"
-
-#include "ash/shell.h"
-#include "ash/wm/mru_window_tracker.h"
-#include "ash/wm/window_util.h"
-#include "ui/aura/window.h"
-#include "ui/views/corewm/window_animations.h"
-
-namespace ash {
-
-WindowCycleList::WindowCycleList(const WindowList& windows)
-    : windows_(windows),
-      current_index_(-1) {
-  ash::Shell::GetInstance()->mru_window_tracker()->SetIgnoreActivations(true);
-  // Locate the currently active window in the list to use as our start point.
-  aura::Window* active_window = wm::GetActiveWindow();
-
-  // The active window may not be in the cycle list, which is expected if there
-  // are additional modal windows on the screen.
-  current_index_ = GetWindowIndex(active_window);
-
-  for (WindowList::const_iterator i = windows_.begin(); i != windows_.end();
-       ++i) {
-    (*i)->AddObserver(this);
-  }
-}
-
-WindowCycleList::~WindowCycleList() {
-  ash::Shell::GetInstance()->mru_window_tracker()->SetIgnoreActivations(false);
-  for (WindowList::const_iterator i = windows_.begin(); i != windows_.end();
-       ++i) {
-    (*i)->RemoveObserver(this);
-  }
-}
-
-void WindowCycleList::Step(Direction direction) {
-  if (windows_.empty())
-    return;
-
-  if (current_index_ == -1) {
-    // We weren't able to find our active window in the shell delegate's
-    // provided window list.  Just switch to the first (or last) one.
-    current_index_ = (direction == FORWARD ? 0 : windows_.size() - 1);
-  } else {
-    // When there is only one window, we should give a feedback to user.
-    if (windows_.size() == 1) {
-      AnimateWindow(windows_[0],
-                    views::corewm::WINDOW_ANIMATION_TYPE_BOUNCE);
-      return;
-    }
-    // We're in a valid cycle, so step forward or backward.
-    current_index_ += (direction == FORWARD ? 1 : -1);
-  }
-  // Wrap to window list size.
-  current_index_ = (current_index_ + windows_.size()) % windows_.size();
-  DCHECK(windows_[current_index_]);
-  // Make sure the next window is visible.
-  windows_[current_index_]->Show();
-  wm::ActivateWindow(windows_[current_index_]);
-}
-
-int WindowCycleList::GetWindowIndex(aura::Window* window) {
-  WindowList::const_iterator it =
-      std::find(windows_.begin(), windows_.end(), window);
-  if (it == windows_.end())
-    return -1;  // Not found.
-  return it - windows_.begin();
-}
-
-void WindowCycleList::OnWindowDestroyed(aura::Window* window) {
-  WindowList::iterator i = std::find(windows_.begin(), windows_.end(), window);
-  DCHECK(i != windows_.end());
-  int removed_index = static_cast<int>(i - windows_.begin());
-  windows_.erase(i);
-  if (current_index_ > removed_index)
-    current_index_--;
-  else if (current_index_ == static_cast<int>(windows_.size()))
-    current_index_--;
-}
-
-}  // namespace ash