Revert of [screen-orientation] Update implementation to match recent spec changes.

Source/modules/screen_orientation/ScreenScreenOrientation.cpp

Index: Source/modules/screen_orientation/ScreenScreenOrientation.cpp
diff --git a/Source/modules/screen_orientation/ScreenScreenOrientation.cpp b/Source/modules/screen_orientation/ScreenScreenOrientation.cpp
deleted file mode 100644
index db7537e20e9b3b2e800859bb5a078a4517b3460b..0000000000000000000000000000000000000000
--- a/Source/modules/screen_orientation/ScreenScreenOrientation.cpp
+++ /dev/null
@@ -1,53 +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.
-
-#include "config.h"
-#include "modules/screen_orientation/ScreenScreenOrientation.h"
-
-#include "bindings/core/v8/ScriptState.h"
-#include "core/frame/Screen.h"
-#include "modules/screen_orientation/ScreenOrientation.h"
-
-namespace WebCore {
-
-// static
-ScreenScreenOrientation& ScreenScreenOrientation::from(Screen& screen)
-{
-    ScreenScreenOrientation* supplement = static_cast<ScreenScreenOrientation*>(WillBeHeapSupplement<Screen>::from(screen, supplementName()));
-    if (!supplement) {
-        supplement = new ScreenScreenOrientation();
-        provideTo(screen, supplementName(), adoptPtrWillBeNoop(supplement));
-    }
-    return *supplement;
-}
-
-ScreenScreenOrientation::~ScreenScreenOrientation()
-{
-}
-
-// static
-ScreenOrientation* ScreenScreenOrientation::orientation(ScriptState* state, Screen& screen)
-{
-    ScreenScreenOrientation& self = ScreenScreenOrientation::from(screen);
-    if (!screen.frame())
-        return 0;
-
-    if (!self.m_orientation)
-        self.m_orientation = ScreenOrientation::create(screen.frame());
-
-    return self.m_orientation.get();
-}
-
-const char* ScreenScreenOrientation::supplementName()
-{
-    return "ScreenScreenOrientation";
-}
-
-void ScreenScreenOrientation::trace(Visitor* visitor)
-{
-    m_orientation->trace(visitor);
-    WillBeHeapSupplement<Screen>::trace(visitor);
-}
-
-} // namespace WebCore