Enhance chrome.app.window API for shelf integration with restore support

apps/app_load_service.cc

Index: apps/app_load_service.cc
diff --git a/apps/app_load_service.cc b/apps/app_load_service.cc
index c89a3692bf4ef15e29492daa8dfb93af37162753..43faf01ad125188166ac9bf3c9113656e3512aeb 100644
--- a/apps/app_load_service.cc
+++ b/apps/app_load_service.cc
@@ -115,11 +115,9 @@ void AppLoadService::Observe(int type,
       RestartPlatformApp(profile_, extension);
       break;
     case LAUNCH_FOR_LOAD_AND_LAUNCH:
-      LaunchPlatformAppWithCommandLine(profile_,
-                                       extension,
-                                       it->second.command_line,
-                                       it->second.current_dir,
-                                       extensions::SOURCE_LOAD_AND_LAUNCH);
+      LaunchPlatformAppWithCommandLine(
+          profile_, extension, "", it->second.command_line,
+          it->second.current_dir, extensions::SOURCE_LOAD_AND_LAUNCH);
       break;
     default:
       NOTREACHED();