Start app shim when app launched.

chrome/browser/web_applications/web_app.h

Index: chrome/browser/web_applications/web_app.h
diff --git a/chrome/browser/web_applications/web_app.h b/chrome/browser/web_applications/web_app.h
index 0ddf31da85b6964b81eeae94f426586ceedc6c4e..ec49e13ff94f96e57ec21f84713b898ab4bea9c9 100644
--- a/chrome/browser/web_applications/web_app.h
+++ b/chrome/browser/web_applications/web_app.h
@@ -21,6 +21,8 @@ namespace gfx {
 class ImageFamily;
 }
 
+class Profile;
+
 namespace web_app {
 
 // Gets the user data directory for given web app. The path for the directory is
@@ -95,6 +97,9 @@ std::string GetWMClassFromAppName(std::string app_name);
 // Gets the name of the Chrome Apps menu folder in which to place app shortcuts.
 string16 GetAppShortcutsSubdirName();
 
+// If necessary, launch the shortcut for an app.
+void MaybeLaunchShortcut(const ShellIntegration::ShortcutInfo& shortcut_info);
+
 namespace internals {
 
 #if defined(OS_WIN)