app_list: Drive app integration.

ui/app_list/app_list_switches.cc

Index: ui/app_list/app_list_switches.cc
diff --git a/ui/app_list/app_list_switches.cc b/ui/app_list/app_list_switches.cc
index 31ec25bc61cad440fe6f7bd4adcc603f504f524d..4e9ebf3059f96d55a969a117aff81925537fb343 100644
--- a/ui/app_list/app_list_switches.cc
+++ b/ui/app_list/app_list_switches.cc
@@ -21,6 +21,9 @@ const char kDisableVoiceSearch[] = "disable-app-list-voice-search";
 // If set, the app list will be centered and wide instead of tall.
 const char kEnableCenteredAppList[] = "enable-centered-app-list";
 
+// If set, Drive apps of the user shows side-by-side with Chrome apps.
+const char kEnableDriveAppsInAppList[] = "enable-drive-apps-in-app-list";
+
 // If set, the experimental app list will be used. Implies
 // --enable-centered-app-list.
 const char kEnableExperimentalAppList[] = "enable-experimental-app-list";
@@ -72,5 +75,9 @@ bool IsCenteredAppListEnabled() {
          IsExperimentalAppListEnabled();
 }
 
+bool IsDriveAppsInAppListEnabled() {
+  return CommandLine::ForCurrentProcess()->HasSwitch(kEnableDriveAppsInAppList);
+}
+
 }  // namespace switches
 }  // namespace app_list