Drop refs to net::EmbeddedTestServer / net::File{Path,URL} utils in mojo

mojo/shell/filename_util.h

Index: mojo/shell/filename_util.h
diff --git a/mojo/shell/filename_util.h b/mojo/shell/filename_util.h
new file mode 100644
index 0000000000000000000000000000000000000000..0fd8b8f52d6bf0948ca1b9fa76a4b1034a0d1e2c
--- /dev/null
+++ b/mojo/shell/filename_util.h
@@ -0,0 +1,22 @@
+// 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 MOJO_SHELL_FILENAME_UTIL_H_
+#define MOJO_SHELL_FILENAME_UTIL_H_
+
+class GURL;
+
+namespace base {
+class FilePath;
+}
+
+namespace mojo {
+
+// Given the full path to a file name, creates a file: URL. The returned URL
+// may not be valid if the input is malformed.
+GURL FilePathToFileURL(const base::FilePath& path);
+
+}  // namespace mojo
+
+#endif  // MOJO_SHELL_FILENAME_UTIL_H_