Update internal screen orientation headers and remove temporary redirects.

public/platform/WebScreenOrientationLockType.h

Index: public/platform/WebScreenOrientationLockType.h
diff --git a/public/platform/WebScreenOrientationLockType.h b/public/platform/WebScreenOrientationLockType.h
deleted file mode 100644
index 4edaf8cfb64e54e0c04048b309c7b6a3f011d617..0000000000000000000000000000000000000000
--- a/public/platform/WebScreenOrientationLockType.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// 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 WebScreenOrientationLockType_h
-#define WebScreenOrientationLockType_h
-
-namespace blink {
-
-enum WebScreenOrientationLockType {
-    WebScreenOrientationLockDefault = 0, // Equivalent to unlock.
-    WebScreenOrientationLockPortraitPrimary,
-    WebScreenOrientationLockPortraitSecondary,
-    WebScreenOrientationLockLandscapePrimary,
-    WebScreenOrientationLockLandscapeSecondary,
-    WebScreenOrientationLockAny,
-    WebScreenOrientationLockLandscape,
-    WebScreenOrientationLockPortrait,
-    WebScreenOrientationLockNatural,
-};
-
-} // namespace blink
-
-#endif // WebScreenOrientationLockType_h