[ScreenOrientation] De-associate device.mojom.ScreenOrientation from legacy IPC channel.

third_party/WebKit/Source/modules/screen_orientation/ScreenOrientation.h

 // 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 ScreenOrientation_h
 #define ScreenOrientation_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/events/EventTarget.h"
@@ skipping 20 matching lines @@
 
   ~ScreenOrientation() override;
 
   // EventTarget implementation.
   const WTF::AtomicString& interfaceName() const override;
   ExecutionContext* getExecutionContext() const override;
 
   String type() const;
   unsigned short angle() const;
 
+  WebScreenOrientationType getType() const;
   void setType(WebScreenOrientationType);
   void setAngle(unsigned short);
 
   ScriptPromise lock(ScriptState*, const AtomicString& orientation);
   void unlock();
 
   DEFINE_ATTRIBUTE_EVENT_LISTENER(change);
 
   // Helper being used by this class and LockOrientationCallback.
   static const AtomicString& orientationTypeToString(WebScreenOrientationType);
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   explicit ScreenOrientation(LocalFrame*);
 
   ScreenOrientationControllerImpl* controller();
 
   WebScreenOrientationType m_type;
   unsigned short m_angle;
 };
 
 }  // namespace blink
 
 #endif  // ScreenOrientation_h