Implement app launch changes for app runtime extension proposal.

apps/launcher.cc

Index: apps/launcher.cc
diff --git a/apps/launcher.cc b/apps/launcher.cc
index 02c630279efeff15a2e8a9b58552cc184014d8a2..8a3cada5f4cd35c83a35a4c07544e729273b72be 100644
--- a/apps/launcher.cc
+++ b/apps/launcher.cc
@@ -393,6 +393,13 @@ void LaunchPlatformAppWithPath(Profile* profile,
   launcher->Launch();
 }
 
+void LaunchPlatformAppWithAction(Profile* profile,
+                                 const extensions::Extension* extension,
+                                 extensions::ActionData action_data) {
+  AppRuntimeEventRouter::DispatchOnLaunchedEventWithAction(profile, extension,
+                                                           action_data);
+}
+
 void LaunchPlatformApp(Profile* profile,
                        const Extension* extension,
                        extensions::AppLaunchSource source) {