Create Mojo service for locking/unlocking screen orientation.

content/common/screen_orientation_utils.h

Index: content/common/screen_orientation_utils.h
diff --git a/content/common/screen_orientation_utils.h b/content/common/screen_orientation_utils.h
new file mode 100644
index 0000000000000000000000000000000000000000..764e12eeda5a112d0377dad944380748a309b085
--- /dev/null
+++ b/content/common/screen_orientation_utils.h
@@ -0,0 +1,23 @@
+// 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 CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_UTILS_H_
+#define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_UTILS_H_
+
+#include "content/public/common/screen_orientation.mojom.h"
+#include "third_party/WebKit/public/platform/WebScreenOrientationLockType.h"
+
+namespace content {
+
+ScreenOrientationLockType
+    WebScreenOrientationLockTypeToScreenOrientationLockType(
+        blink::WebScreenOrientationLockType orientation);
+
+blink::WebScreenOrientationLockType
+    ScreenOrientationLockTypeToWebScreenOrientationLockType(
+        ScreenOrientationLockType orientation);
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_UTILS_H_