Remove extension_misc::IsImeMenuExtensionId.

chrome/browser/ui/views/apps/chrome_native_app_window_views.cc

Index: chrome/browser/ui/views/apps/chrome_native_app_window_views.cc
diff --git a/chrome/browser/ui/views/apps/chrome_native_app_window_views.cc b/chrome/browser/ui/views/apps/chrome_native_app_window_views.cc
index dfac3ccb9df96687260667119b6d559880f36475..91901effba539226b1e20b4523df0fd98a4f3837 100644
--- a/chrome/browser/ui/views/apps/chrome_native_app_window_views.cc
+++ b/chrome/browser/ui/views/apps/chrome_native_app_window_views.cc
@@ -230,14 +230,6 @@ void ChromeNativeAppWindowViews::InitializePanelWindow(
   OnBeforePanelWidgetInit(use_default_bounds, &params, widget());
   widget()->Init(params);
   widget()->set_focus_on_creation(create_params.focused);
-#if defined(OS_CHROMEOS)
-  if (extension_misc::IsImeMenuExtensionId(app_window()->extension_id())) {
-    if (widget()->GetNativeView()) {
-      widget()->GetNativeView()->SetProperty(aura::client::kExcludeFromMruKey,

[sky, 2016/12/12 16:06:55]

Can kExcludeFromMruKey be removed now?

[Azure Wei, 2016/12/13 11:20:47]

Removed.

-                                             true);
-    }
-  }
-#endif
 }
 
 views::NonClientFrameView*