Remove app shortcuts when app is uninstalled on Linux.

chrome/browser/web_applications/web_app_linux.cc

Index: chrome/browser/web_applications/web_app_linux.cc
diff --git a/chrome/browser/web_applications/web_app_linux.cc b/chrome/browser/web_applications/web_app_linux.cc
index e26be439b2c3c6b0b0c9488c1ba5ea91da77fac3..56d02fbf37aef19d2471cb991bf6d4669a80e017 100644
--- a/chrome/browser/web_applications/web_app_linux.cc
+++ b/chrome/browser/web_applications/web_app_linux.cc
@@ -29,5 +29,10 @@ bool CreatePlatformShortcut(
       shortcut_info, shortcut_template);
 }
 
+void DeletePlatformShortcuts(const FilePath& profile_path,
+                             const std::string& extension_id) {
+  ShellIntegrationLinux::DeleteDesktopShortcuts(profile_path, extension_id);
+}
+
 }  // namespace internals
 }  // namespace web_app