Update mojo shell so that --args-for can be used on android

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 "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(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_