Convert ManifestManager IPCs to Mojo.

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

Index: third_party/WebKit/public/platform/modules/screen_orientation/screen_orientation.mojom
diff --git a/third_party/WebKit/public/platform/modules/screen_orientation/screen_orientation.mojom b/third_party/WebKit/public/platform/modules/screen_orientation/screen_orientation.mojom
new file mode 100644
index 0000000000000000000000000000000000000000..942c1f52dc35185c5b51eb163e527e0c5c880a5a
--- /dev/null
+++ b/third_party/WebKit/public/platform/modules/screen_orientation/screen_orientation.mojom
@@ -0,0 +1,17 @@
+// Copyright 2016 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;
+
+enum ScreenOrientationLockType {
+  DEFAULT = 0, // Equivalent to unlock.
+  PORTRAIT_PRIMARY,
+  PORTRAIT_SECONDARY,
+  LANDSCAPE_PRIMARY,
+  LANDSCAPE_SECONDARY,
+  ANY,
+  LANDSCAPE,
+  PORTRAIT,
+  NATURAL,
+};