Mojo-ify implementation of screen orientation locking/unlocking.

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..e91d0a29138a74daf75322fc33eed6839850c48d
--- /dev/null
+++ b/third_party/WebKit/public/platform/modules/screen_orientation/screen_orientation.mojom
@@ -0,0 +1,31 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.

[mlamouri (slow - plz ping), 2016/11/13 00:26:36]

FWIW, I would call this screen_orientation_lock_types.mojom

[lunalu1, 2016/11/16 18:46:59]

Done.

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+module blink.mojom;
+
+enum ScreenOrientationLockResult {
+  // The lock was successfully applied.
+  SCREEN_ORIENTATION_LOCK_RESULT_SUCCESS,
+
+  // Failed because locking isn't available on the platform.
+  SCREEN_ORIENTATION_LOCK_RESULT_ERROR_NOT_AVAILABLE,
+
+  // Failed because fullscreen is required to lock.
+  SCREEN_ORIENTATION_LOCK_RESULT_ERROR_FULLSCREEN_REQUIRED,
+
+  // Failed because another lock/unlock got called before that one ended.
+  SCREEN_ORIENTATION_LOCK_RESULT_ERROR_CANCELED,
+};
+
+enum ScreenOrientationLockType {
+  DEFAULT = 0, // Equivalent to unlock.
+  PORTRAIT_PRIMARY,
+  PORTRAIT_SECONDARY,
+  LANDSCAPE_PRIMARY,
+  LANDSCAPE_SECONDARY,
+  ANY,
+  LANDSCAPE,
+  PORTRAIT,
+  NATURAL,
+};