Fixed "Open in a Tab" option for apps in Chrome App Launcher.

chrome/browser/ui/app_list/app_context_menu.cc

Index: chrome/browser/ui/app_list/app_context_menu.cc
diff --git a/chrome/browser/ui/app_list/app_context_menu.cc b/chrome/browser/ui/app_list/app_context_menu.cc
index 43d3717688f34e56669e452f8c5a071241a65478..1cfc5ca15fb8bfd59b13e6b89e36d016c76c5e9d 100644
--- a/chrome/browser/ui/app_list/app_context_menu.cc
+++ b/chrome/browser/ui/app_list/app_context_menu.cc
@@ -181,6 +181,15 @@ bool AppContextMenu::IsItemForCommandIdDynamic(int command_id) const {
 }
 
 base::string16 AppContextMenu::GetLabelForCommandId(int command_id) const {
+  // If streamlined hosted apps are enabled, then we do not need to consider
+  // the case when command_id == TOGGLE_PIN (see AppContextMenu::GetMenuModel).
+  if (extensions::util::IsStreamlinedHostedAppsEnabled()) {
+    DCHECK(command_id == LAUNCH_NEW);

[tapted, 2015/01/06 01:47:10]

DCHECK_EQ(LAUNCH_NEW, command_id);

(sometimes you need to cast an argument, but I don't think that's the case
here).

[mitchellj, 2015/01/06 01:50:21]

Done.

+    return IsCommandIdChecked(USE_LAUNCH_TYPE_REGULAR) ?
+        l10n_util::GetStringUTF16(IDS_APP_LIST_CONTEXT_MENU_NEW_TAB) :
+        l10n_util::GetStringUTF16(IDS_APP_LIST_CONTEXT_MENU_NEW_WINDOW);
+  }
+
   if (command_id == TOGGLE_PIN) {
     return controller_->IsAppPinned(app_id_) ?
         l10n_util::GetStringUTF16(IDS_APP_LIST_CONTEXT_MENU_UNPIN) :