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

Source/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1356 matching lines @@
     ensureTextFinder().increaseMatchCount(identifier, count);
 }
 
 void WebLocalFrameImpl::resetMatchCount()
 {
     ensureTextFinder().resetMatchCount();
 }
 
 void WebLocalFrameImpl::sendOrientationChangeEvent()
 {
-    if (frame())
-        frame()->sendOrientationChangeEvent();
+    if (!frame())
+        return;
+
+    // Screen Orientation API
+    if (ScreenOrientationController::from(*frame()))
+        ScreenOrientationController::from(*frame())->notifyOrientationChanged();
+
+    // Legacy window.orientation API.
+    if (frame()->domWindow())
+        frame()->domWindow()->dispatchEvent(Event::create(EventTypeNames::orientationchange));
 }
 
 void WebLocalFrameImpl::dispatchMessageEventWithOriginCheck(const WebSecurityOrigin& intendedTargetOrigin, const WebDOMEvent& event)
 {
     ASSERT(!event.isNull());
     frame()->domWindow()->dispatchMessageEventWithOriginCheck(intendedTargetOrigin.get(), event, nullptr);
 }
 
 int WebLocalFrameImpl::findMatchMarkersVersion() const
 {
@@ skipping 140 matching lines @@
     if (m_frame) {
         OwnPtr<NotificationPresenterImpl> notificationPresenter = adoptPtr(new NotificationPresenterImpl());
         if (m_client)
             notificationPresenter->initialize(m_client->notificationPresenter());
 
         provideNotification(*m_frame, notificationPresenter.release());
         provideUserMediaTo(*m_frame, &m_userMediaClientImpl);
         provideGeolocationTo(*m_frame, m_geolocationClientProxy.get());
         m_geolocationClientProxy->setController(GeolocationController::from(m_frame.get()));
         provideMIDITo(*m_frame, MIDIClientProxy::create(m_client ? m_client->webMIDIClient() : 0));
-        if (RuntimeEnabledFeatures::screenOrientationEnabled())
-            ScreenOrientationController::provideTo(*m_frame, m_client ? m_client->webScreenOrientationClient() : 0);
         provideLocalFileSystemTo(*m_frame, LocalFileSystemClient::create());
+
+        ScreenOrientationController::provideTo(*m_frame, m_client ? m_client->webScreenOrientationClient() : 0);
     }
 }
 
 PassRefPtr<LocalFrame> WebLocalFrameImpl::initializeWebCoreFrame(FrameHost* host, FrameOwner* owner, const AtomicString& name, const AtomicString& fallbackName)
 {
     RefPtr<LocalFrame> frame = LocalFrame::create(&m_frameLoaderClientImpl, host, owner);
     setWebCoreFrame(frame);
     frame->tree().setName(name, fallbackName);
     // We must call init() after m_frame is assigned because it is referenced
     // during init(). Note that this may dispatch JS events; the frame may be
@@ skipping 290 matching lines @@
 
 void WebLocalFrameImpl::invalidateAll() const
 {
     ASSERT(frame() && frame()->view());
     FrameView* view = frame()->view();
     view->invalidateRect(view->frameRect());
     invalidateScrollbar();
 }
 
 } // namespace blink