Revert of Chromium plumbing for Screen Orientation API orientationchange events.

content/renderer/screen_orientation/screen_orientation_dispatcher.cc

Index: content/renderer/screen_orientation/screen_orientation_dispatcher.cc
diff --git a/content/renderer/screen_orientation/screen_orientation_dispatcher.cc b/content/renderer/screen_orientation/screen_orientation_dispatcher.cc
deleted file mode 100644
index 46e8d07f7d78c0cf6cdcd5543d46a8f59ca66f29..0000000000000000000000000000000000000000
--- a/content/renderer/screen_orientation/screen_orientation_dispatcher.cc
+++ /dev/null
@@ -1,45 +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 "content/renderer/screen_orientation/screen_orientation_dispatcher.h"
-
-#include "content/common/screen_orientation_messages.h"
-#include "content/public/renderer/render_thread.h"
-#include "third_party/WebKit/public/platform/WebScreenOrientationListener.h"
-
-namespace content {
-
-ScreenOrientationDispatcher::ScreenOrientationDispatcher(
-    RenderThread* thread)
-  : listener_(NULL) {
-    thread->AddObserver(this);
-}
-
-bool ScreenOrientationDispatcher::OnControlMessageReceived(
-    const IPC::Message& message) {
-  bool handled = true;
-
-  IPC_BEGIN_MESSAGE_MAP(ScreenOrientationDispatcher, message)
-    IPC_MESSAGE_HANDLER(ScreenOrientationMsg_OrientationChange,
-                        OnOrientationChange)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-
-  return handled;
-}
-
-void ScreenOrientationDispatcher::OnOrientationChange(
-    blink::WebScreenOrientation orientation) {
-  if (!listener_)
-    return;
-
-  listener_->didChangeScreenOrientation(orientation);
-}
-
-void ScreenOrientationDispatcher::setListener(
-    blink::WebScreenOrientationListener* listener) {
-  listener_ = listener;
-}
-
-}  // namespace content