Makes the maximize/restore button handling

chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.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 "chrome/browser/ui/views/ash/launcher/chrome_launcher_delegate.h"
 
 #include "ash/launcher/launcher_model.h"
 #include "ash/launcher/launcher_types.h"
 #include "ash/wm/window_util.h"
 #include "base/command_line.h"
@@ skipping 416 matching lines @@
   const Extension* extension = profile_->GetExtensionService()->
       GetInstalledExtension(id_to_item_map_[item.id].app_id);
   return extension ? UTF8ToUTF16(extension->name()) : string16();
 }
 
 ui::MenuModel* ChromeLauncherDelegate::CreateContextMenu(
     const ash::LauncherItem& item) {
   return new LauncherContextMenu(this, item.id);
 }
 
+ash::LauncherID ChromeLauncherDelegate::GetIDByWindow(
+    aura::Window* window) {
+  for (IDToItemMap::const_iterator i = id_to_item_map_.begin();
+       i != id_to_item_map_.end(); ++i) {
+    if (i->second.updater && i->second.updater->window() == window)
+      return i->first;
+  }
+  return 0;
+}
+
 void ChromeLauncherDelegate::LauncherItemAdded(int index) {
 }
 
 void ChromeLauncherDelegate::LauncherItemRemoved(int index,
                                                  ash::LauncherID id) {
 }
 
 void ChromeLauncherDelegate::LauncherItemMoved(
     int start_index,
     int target_index) {
@@ skipping 63 matching lines @@
 Profile* ChromeLauncherDelegate::GetProfileForNewWindows() {
   Profile* profile = ProfileManager::GetDefaultProfile();
   if (browser_defaults::kAlwaysOpenIncognitoWindow &&
       IncognitoModePrefs::ShouldLaunchIncognito(
           *CommandLine::ForCurrentProcess(),
           profile->GetPrefs())) {
     profile = profile->GetOffTheRecordProfile();
   }
   return profile;
 }