Android screen orientation lock should lock/unlock the same activity

third_party/WebKit/Source/core/html/shadow/MediaControlsOrientationLockDelegate.h

 // Copyright 2016 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 MediaControlsOrientationLockDelegate_h
 #define MediaControlsOrientationLockDelegate_h
 
 #include "core/CoreExport.h"
 #include "core/events/EventListener.h"
 #include "public/platform/modules/screen_orientation/WebScreenOrientationLockType.h"
 
 namespace blink {
 
 class Document;
 class HTMLVideoElement;
 
 // MediaControlsOrientationLockDelegate is implementing the orientation lock
 // feature when a <video> is fullscreen. It is meant to be created by
-// `MediaControls` when the feature apply. Once created, it will use events to
+// `MediaControls` when the feature applies. Once created, it will use events to
 // change state.
 //
 // The different states of the class are:
 // - PendingFullscreen: the object is created and is waiting for the associated
 //   <video> to go fullscreen in order to apply an orientation lock;
 // - PendingMetadata: the <video> is fullscreen but the metadata have not been
 //   downloaded yet. It can happen because of network latency or because the
 //   <video> went fullscreen before playback and download started;
 // - MaybeLockedFullscreen: the <video> is fullscreen and a screen orientation
 //   lock was applied.
@@ skipping 54 matching lines @@
   // In other words, whether the orientation was locked.
   bool m_shouldUnlockOrientation = false;
 
   // `m_videoElement` owns MediaControls that owns |this|.
   Member<HTMLVideoElement> m_videoElement;
 };
 
 }  // namespace blink
 
 #endif  // MediaControlsOrientationLockDelegate_h