Avoid to include IDL-generated headers from EventTarget.h and Node.h

third_party/WebKit/Source/modules/mediasource/MediaSource.h

 /*
  * Copyright (C) 2013 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef MediaSource_h
 #define MediaSource_h
 
+#include <memory>
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "core/dom/ContextLifecycleObserver.h"
+#include "core/dom/ExceptionCode.h"
 #include "core/html/HTMLMediaSource.h"
 #include "core/html/TimeRanges.h"
 #include "core/html/URLRegistry.h"
 #include "modules/EventTargetModules.h"
 #include "modules/mediasource/SourceBuffer.h"
 #include "modules/mediasource/SourceBufferList.h"
 #include "public/platform/WebMediaSource.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 namespace blink {
 
 class ExceptionState;
 class GenericEventQueue;
 class WebSourceBuffer;
 
 class MediaSource final : public EventTargetWithInlineData,
                           public HTMLMediaSource,
                           public ActiveScriptWrappable<MediaSource>,
@@ skipping 98 matching lines @@
   Member<SourceBufferList> m_activeSourceBuffers;
 
   Member<TimeRanges> m_liveSeekableRange;
 
   int m_addedToRegistryCounter;
 };
 
 }  // namespace blink
 
 #endif  // MediaSource_h