app_list: Paint background for app item title.

ui/app_list/app_list_constants.h

Index: ui/app_list/app_list_constants.h
diff --git a/ui/app_list/app_list_switches.h b/ui/app_list/app_list_constants.h
similarity index 51%
copy from ui/app_list/app_list_switches.h
copy to ui/app_list/app_list_constants.h
index 267830a43e30cf8beca2fe552c4671ed612d5fdb..90e39012b5e2b6913b76acc8be6f5ba4ac291cd6 100644
--- a/ui/app_list/app_list_switches.h
+++ b/ui/app_list/app_list_constants.h
@@ -2,17 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_APP_LIST_APP_LIST_SWITCHES_H_
-#define UI_APP_LIST_APP_LIST_SWITCHES_H_
+#ifndef UI_APP_LIST_APP_LIST_CONSTANTS_H_
+#define UI_APP_LIST_APP_LIST_CONSTANTS_H_
 
+#include "third_party/skia/include/core/SkColor.h"
 #include "ui/app_list/app_list_export.h"
 
 namespace app_list {
-namespace switches {
 
-APP_LIST_EXPORT extern const char kAppListShowAppsOnly[];
+APP_LIST_EXPORT extern const SkColor kContentsBackgroundColor;
 
-}  // namespace switches
 }  // namespace app_list
 
-#endif  // UI_APP_LIST_APP_LIST_SWITCHES_H_
+#endif  // UI_APP_LIST_APP_LIST_CONSTANTS_H_