Remove LauncherItemController::IsOpen, check ShelfItem::status.

chrome/browser/ui/ash/launcher/browser_shortcut_launcher_item_controller.cc

Index: chrome/browser/ui/ash/launcher/browser_shortcut_launcher_item_controller.cc
diff --git a/chrome/browser/ui/ash/launcher/browser_shortcut_launcher_item_controller.cc b/chrome/browser/ui/ash/launcher/browser_shortcut_launcher_item_controller.cc
index 90698773834ca0faf745f52812d9cd9d50430ce7..5f4e7d79cfe1ce79f04f53f7e437160f04f104bb 100644
--- a/chrome/browser/ui/ash/launcher/browser_shortcut_launcher_item_controller.cc
+++ b/chrome/browser/ui/ash/launcher/browser_shortcut_launcher_item_controller.cc
@@ -130,16 +130,6 @@ void BrowserShortcutLauncherItemController::SetShelfIDForBrowserWindowContents(
           launcher_controller()->GetShelfIDForWebContents(web_contents));
 }
 
-bool BrowserShortcutLauncherItemController::IsOpen() const {
-  const BrowserList* browser_list = BrowserList::GetInstance();
-  for (BrowserList::const_iterator it = browser_list->begin();
-       it != browser_list->end(); ++it) {
-    if (IsBrowserFromActiveUser(*it))
-      return true;
-  }
-  return false;
-}
-
 bool BrowserShortcutLauncherItemController::IsVisible() const {
   Browser* last_browser =
       chrome::FindTabbedBrowser(launcher_controller()->profile(), true);