Simplify mojo_shell since it's now only used for Mandoline.

mojo/shell/command_line_util.h

-// Copyright 2014 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.
-
-#ifndef SHELL_COMMAND_LINE_UTIL_H_
-#define SHELL_COMMAND_LINE_UTIL_H_
-
-#include "mojo/shell/context.h"
-
-namespace mojo {
-namespace shell {
-
-// Parse the given arg, looking for an --args-for switch. If this is not the
-// case, returns |false|. Otherwise, returns |true| and set |*value| to the
-// value of the switch.
-bool ParseArgsFor(const std::string& arg, std::string* value);
-
-// The value of app_url_and_args is "<mojo_app_url> [<args>...]", where args
-// is a list of "configuration" arguments separated by spaces. If one or more
-// arguments are specified they will be available when the Mojo application
-// is initialized. This returns the mojo_app_url, and set args to the list of
-// arguments.
-GURL GetAppURLAndArgs(Context* context,
-                      const std::string& app_url_and_args,
-                      std::vector<std::string>* args);
-
-// Apply arguments for an application from a line with the following format:
-// '--args-for=application_url arg1 arg2 arg3'
-// This does nothing if the line has not the right format.
-void ApplyApplicationArgs(Context* context, const std::string& args);
-
-// Run all application defined on the command line, using the given context.
-void RunCommandLineApps(Context* context);
-
-}  // namespace shell
-}  // namespace mojo
-
-#endif  // SHELL_COMMAND_LINE_UTIL_H_