Add initial Blink-side support for the Screen Orientation API

Source/modules/screen_orientation/testing/InternalsScreenOrientation.h

+// 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 InternalsScreenOrientation_h
+#define InternalsScreenOrientation_h
+
+#include "wtf/text/AtomicString.h"

[Peter Beverloo, 2014/02/12 18:19:37]

nit: You can forward declare AtomicString as well since you're only using it as
a reference.

[Inactive, 2014/02/12 19:38:37]

Done. I included "wtf/Forward.h".

+
+namespace WebCore {
+
+class Document;
+class Internals;
+class ScreenOrientationClientMock;
+
+class InternalsScreenOrientation {
+public:
+    static void setScreenOrientationClientMock(Internals*, Document*);
+    static void setScreenOrientation(Internals*, Document*, const AtomicString& orientation);
+
+private:
+    static ScreenOrientationClientMock* screenOrientationClient(Document*);
+};
+
+} // namespace WebCore.
+
+#endif // InternalsScreenOrientation_h