Pass command line arguments onto platform apps which provide the right intent.

chrome/browser/background/background_mode_manager.cc

Index: chrome/browser/background/background_mode_manager.cc
diff --git a/chrome/browser/background/background_mode_manager.cc b/chrome/browser/background/background_mode_manager.cc
index 0a3bdd83460062c57e50da6ef3a3a0afd1bd7748..6f327373a48f20cd61ffa44ece1d9d43679d674b 100644
--- a/chrome/browser/background/background_mode_manager.cc
+++ b/chrome/browser/background/background_mode_manager.cc
@@ -260,7 +260,7 @@ void BackgroundModeManager::LaunchBackgroundApplication(
       service->extension_prefs()->GetLaunchContainer(
           extension, ExtensionPrefs::LAUNCH_REGULAR);
   Browser::OpenApplication(profile, extension, launch_container, GURL(),
-                           NEW_FOREGROUND_TAB);
+                           NEW_FOREGROUND_TAB, NULL);
 }
 
 bool BackgroundModeManager::IsBackgroundModeActiveForTest() {