Strip query string before applying url mapping.

shell/application_manager/query_util.h

+// Copyright 2015 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_APPLICATION_MANAGER_QUERY_UTIL_H_
+#define SHELL_APPLICATION_MANAGER_QUERY_UTIL_H_
+
+#include <utility>
+
+#include "url/gurl.h"
+
+namespace mojo {
+
+// Returns the base URL (without the query string). If |query| is not nullptr,
+// set |*query| to the query string.  If the url doesn't have a query string,
+// |*query| is set to the empty string.
+GURL GetBaseURLAndQuery(const GURL& url, std::string* query);
+
+}  // namespace mojo
+
+#endif  // SHELL_APPLICATION_MANAGER_QUERY_UTIL_H_