Remove OS_CHROMEOS from ui/ash code

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

Index: chrome/browser/ui/ash/launcher/launcher_context_menu.cc
diff --git a/chrome/browser/ui/ash/launcher/launcher_context_menu.cc b/chrome/browser/ui/ash/launcher/launcher_context_menu.cc
index defd9023a8e0696ab58066b6ea56f24fd7acb875..0544d310c3434545052100c04e4c78f3c6a9ed69 100644
--- a/chrome/browser/ui/ash/launcher/launcher_context_menu.cc
+++ b/chrome/browser/ui/ash/launcher/launcher_context_menu.cc
@@ -14,6 +14,8 @@
 #include "build/build_config.h"
 #include "chrome/browser/fullscreen.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
+#include "chrome/browser/ui/ash/launcher/arc_launcher_context_menu.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/ash/launcher/desktop_shell_launcher_context_menu.h"
 #include "chrome/browser/ui/ash/launcher/extension_launcher_context_menu.h"
@@ -24,11 +26,6 @@
 #include "grit/ash_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 
-#if defined(OS_CHROMEOS)
-#include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
-#include "chrome/browser/ui/ash/launcher/arc_launcher_context_menu.h"
-#endif  // defined(OS_CHROMEOS)
-
 namespace {
 
 // Returns true if the user can modify the |shelf|'s auto-hide behavior.
@@ -51,13 +48,11 @@ LauncherContextMenu* LauncherContextMenu::Create(
     return new DesktopShellLauncherContextMenu(controller, item, shelf);
 
 // Create ArcLauncherContextMenu if the item is an Arc app.
-#if defined(OS_CHROMEOS)
   const std::string& app_id = controller->GetAppIDForShelfID(item->id);
   ArcAppListPrefs* arc_prefs = ArcAppListPrefs::Get(controller->profile());
   DCHECK(arc_prefs);
   if (arc_prefs->IsRegistered(app_id))
     return new ArcLauncherContextMenu(controller, item, shelf);
-#endif  // defined(OS_CHROMEOS)
 
   // Create ExtensionLauncherContextMenu for the item.
   return new ExtensionLauncherContextMenu(controller, item, shelf);
@@ -196,10 +191,8 @@ void LauncherContextMenu::AddShelfOptionsMenu() {
                            IDS_ASH_SHELF_CONTEXT_MENU_POSITION,
                            &shelf_alignment_menu_);
   }
-#if defined(OS_CHROMEOS)
   if (!controller_->IsLoggedInAsGuest())
     AddItemWithStringId(MENU_CHANGE_WALLPAPER, IDS_AURA_SET_DESKTOP_WALLPAPER);
-#endif
 }
 
 bool LauncherContextMenu::ExecuteCommonCommand(int command_id,