Adding MimeHandlerView.

extensions/browser/guest_view/mime_handler_view/mime_handler_view_constants.cc

Index: extensions/browser/guest_view/mime_handler_view/mime_handler_view_constants.cc
diff --git a/extensions/browser/guest_view/mime_handler_view/mime_handler_view_constants.cc b/extensions/browser/guest_view/mime_handler_view/mime_handler_view_constants.cc
new file mode 100644
index 0000000000000000000000000000000000000000..faf101c79980841ff08e741a13f011ac38b8da3a
--- /dev/null
+++ b/extensions/browser/guest_view/mime_handler_view/mime_handler_view_constants.cc
@@ -0,0 +1,12 @@
+// 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.
+
+#include "extensions/browser/guest_view/mime_handler_view/mime_handler_view_constants.h"
+
+namespace mime_handler_view {
+
+const char kMimeType[] = "mimeType";
+const char kSrc[] = "src";
+
+}  // namespace mime_handler_view