Revert of Chromium plumbing for Screen Orientation API orientationchange events.

content/renderer/screen_orientation/screen_orientation_dispatcher.h

Index: content/renderer/screen_orientation/screen_orientation_dispatcher.h
diff --git a/content/renderer/screen_orientation/screen_orientation_dispatcher.h b/content/renderer/screen_orientation/screen_orientation_dispatcher.h
deleted file mode 100644
index d672defa1754643c2d77b7a5b72fc8ad72fb81c1..0000000000000000000000000000000000000000
--- a/content/renderer/screen_orientation/screen_orientation_dispatcher.h
+++ /dev/null
@@ -1,43 +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 CONTENT_RENDERER_SCREEN_ORIENTATION_DISPATCHER_H_
-#define CONTENT_RENDERER_SCREEN_ORIENTATION_DISPATCHER_H_
-
-#include "base/macros.h"
-#include "content/public/renderer/render_process_observer.h"
-#include "third_party/WebKit/public/platform/WebScreenOrientation.h"
-
-namespace blink {
-class WebScreenOrientationListener;
-}
-
-namespace content {
-
-class RenderThread;
-
-// ScreenOrientationDispatcher listens to message from the browser process and
-// dispatch the orientation change ones to the WebScreenOrientationListener.
-class CONTENT_EXPORT ScreenOrientationDispatcher
-    : public RenderProcessObserver {
- public:
-  explicit ScreenOrientationDispatcher(RenderThread*);
-  virtual ~ScreenOrientationDispatcher() {}
-
-  // RenderProcessObserver
-  virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
-
-  void setListener(blink::WebScreenOrientationListener* listener);
-
- private:
-  void OnOrientationChange(blink::WebScreenOrientation orientation);
-
-  blink::WebScreenOrientationListener* listener_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScreenOrientationDispatcher);
-};
-
-}  // namespace content
-
-#endif // CONTENT_RENDERER_SCREEN_ORIENTATION_DISPATCHER_H_