Create core/html/media/ and move auxiliary media files in it.

third_party/WebKit/Source/core/html/MediaCustomControlsFullscreenDetector.h

Index: third_party/WebKit/Source/core/html/MediaCustomControlsFullscreenDetector.h
diff --git a/third_party/WebKit/Source/core/html/MediaCustomControlsFullscreenDetector.h b/third_party/WebKit/Source/core/html/MediaCustomControlsFullscreenDetector.h
deleted file mode 100644
index 4ef096f1d8291421e8a733321660d8275573956f..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/core/html/MediaCustomControlsFullscreenDetector.h
+++ /dev/null
@@ -1,59 +0,0 @@
-// Copyright 2017 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 MediaCustomControlsFullscreenDetector_h
-#define MediaCustomControlsFullscreenDetector_h
-
-#include "core/CoreExport.h"
-#include "core/events/EventListener.h"
-#include "platform/Timer.h"
-
-namespace blink {
-
-class HTMLVideoElement;
-class IntRect;
-class TimerBase;
-
-class CORE_EXPORT MediaCustomControlsFullscreenDetector final
-    : public EventListener {
-  WTF_MAKE_NONCOPYABLE(MediaCustomControlsFullscreenDetector);
-
- public:
-  explicit MediaCustomControlsFullscreenDetector(HTMLVideoElement&);
-
-  // EventListener implementation.
-  bool operator==(const EventListener&) const override;
-
-  void attach();
-  void detach();
-  void contextDestroyed();
-
-  DECLARE_VIRTUAL_TRACE();
-
- private:
-  friend class MediaCustomControlsFullscreenDetectorTest;
-  friend class HTMLMediaElementEventListenersTest;
-
-  // EventListener implementation.
-  void handleEvent(ExecutionContext*, Event*) override;
-
-  HTMLVideoElement& videoElement() { return *m_videoElement; }
-
-  void onCheckViewportIntersectionTimerFired(TimerBase*);
-
-  bool isVideoOrParentFullscreen();
-
-  static bool computeIsDominantVideoForTests(const IntRect& targetRect,
-                                             const IntRect& rootRect,
-                                             const IntRect& intersectionRect);
-
-  // `m_videoElement` owns |this|.
-  Member<HTMLVideoElement> m_videoElement;
-  TaskRunnerTimer<MediaCustomControlsFullscreenDetector>
-      m_checkViewportIntersectionTimer;
-};
-
-}  // namespace blink
-
-#endif  // MediaCustomControlsFullscreenDetector_h