Start app shim when app launched.

chrome/browser/extensions/platform_app_launcher.cc

Index: chrome/browser/extensions/platform_app_launcher.cc
diff --git a/chrome/browser/extensions/platform_app_launcher.cc b/chrome/browser/extensions/platform_app_launcher.cc
index 8e22447e8a1e304a9124a7d68722265568491123..56e57d3612a1223b9db141ac48ec0c8227aea305 100644
--- a/chrome/browser/extensions/platform_app_launcher.cc
+++ b/chrome/browser/extensions/platform_app_launcher.cc
@@ -22,6 +22,7 @@
 #include "chrome/browser/extensions/lazy_background_task_queue.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/extensions/app_metro_infobar_delegate_win.h"
+#include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "content/public/browser/browser_thread.h"
@@ -96,6 +97,7 @@ bool GetAbsolutePathFromCommandLine(const CommandLine* command_line,
 void LaunchPlatformAppWithNoData(Profile* profile, const Extension* extension) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   extensions::AppEventRouter::DispatchOnLaunchedEvent(profile, extension);
+  web_app::MaybeLaunchShortcut(profile, extension);
 }
 
 // Class to handle launching of platform apps to open a specific path.