Remove unused includes from various .cpp files in core/

Source/core/accessibility/AXObjectCache.cpp

 /*
  * Copyright (C) 2008, 2009, 2010 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 39 matching lines @@
 #include "core/accessibility/AccessibilityScrollView.h"
 #include "core/accessibility/AccessibilityScrollbar.h"
 #include "core/accessibility/AccessibilitySlider.h"
 #include "core/accessibility/AccessibilitySpinButton.h"
 #include "core/accessibility/AccessibilityTable.h"
 #include "core/accessibility/AccessibilityTableCell.h"
 #include "core/accessibility/AccessibilityTableColumn.h"
 #include "core/accessibility/AccessibilityTableHeaderContainer.h"
 #include "core/accessibility/AccessibilityTableRow.h"
 #include "core/dom/Document.h"
-#include "core/editing/Editor.h"
 #include "core/html/HTMLAreaElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLLabelElement.h"
-#include "core/html/shadow/MediaControlElements.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/FocusController.h"
 #include "core/page/Frame.h"
 #include "core/page/Page.h"
 #include "core/platform/ScrollView.h"
 #include "core/rendering/RenderListBox.h"
 #include "core/rendering/RenderMenuList.h"
 #include "core/rendering/RenderProgress.h"
 #include "core/rendering/RenderSlider.h"
@@ skipping 948 matching lines @@
 void AXObjectCache::handleScrolledToAnchor(const Node* anchorNode)
 {
     // The anchor node may not be accessible. Post the notification for the
     // first accessible object.
     postPlatformNotification(AccessibilityObject::firstAccessibleObjectFromNode(anchorNode), AXScrolledToAnchor);
 }
 
 } // namespace WebCore
 
 #endif // HAVE(ACCESSIBILITY)