second stage

third_party/WebKit/public/platform/modules/mime_handler_view/mime_handler_view.mojom

Index: third_party/WebKit/public/platform/modules/mime_handler_view/mime_handler_view.mojom
diff --git a/third_party/WebKit/public/platform/modules/mime_handler_view/mime_handler_view.mojom b/third_party/WebKit/public/platform/modules/mime_handler_view/mime_handler_view.mojom
new file mode 100644
index 0000000000000000000000000000000000000000..d7a128193621804490414ad11429ce86d11b3e33
--- /dev/null
+++ b/third_party/WebKit/public/platform/modules/mime_handler_view/mime_handler_view.mojom
@@ -0,0 +1,15 @@
+// Copyright 2017 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.
+
+module blink.mojom;
+
+import "url/mojo/url.mojom";
+
+interface MimeHandlerViewService {
+  CreateMimeHandlerViewGuest(
+      int32 element_instance_id,
+      string mime_type,
+      string view_id,
+      url.mojom.Url url);
+};