Enable setting configuration arguments for Mojo applications with mojo_shell

mojo/shell/switches.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/shell/switches.h"
 
 namespace switches {
 
+// Specify configuration arguments for a Mojo application URL. For example:
+// --args-for='mojo://mojo_wget http://www.google.com'
+const char kArgsFor[] = "args-for";
+
 // Used to specify the type of child process (switch values from
 // |ChildProcess::Type|).
 const char kChildProcessType[] = "child-process-type";
 
 // Comma separated list like:
 // text/html,mojo://mojo_html_viewer,application/bravo,https://abarth.com/bravo
 const char kContentHandlers[] = "content-handlers";
 
 // Force dynamically loaded apps / services to be loaded irrespective of cache
 // instructions.
@@ skipping 11 matching lines @@
 
 // Map mojo: URLs to a shared library of similar name at this origin. See
 // mojo_url_resolver.cc for details.
 const char kOrigin[] = "origin";
 
 // Enables the mojo spy, which acts as a man-in-the-middle inspector for
 // message pipes and other activities. This is work in progress.
 const char kSpy[] = "spy";
 
 }  // namespace switches