Remove unused includes from various .cpp files in core/

Source/core/page/EventHandler.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  *
  * 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.
@@ skipping 33 matching lines @@
 #include "core/dom/UserTypingGestureIndicator.h"
 #include "core/dom/WheelEvent.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/TextIterator.h"
 #include "core/editing/htmlediting.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/html/HTMLFrameSetElement.h"
 #include "core/html/HTMLInputElement.h"
-#include "core/html/PluginDocument.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/cache/CachedImage.h"
 #include "core/page/AutoscrollController.h"
 #include "core/page/Chrome.h"
-#include "core/page/ChromeClient.h"
 #include "core/page/DragController.h"
 #include "core/page/DragState.h"
 #include "core/page/EditorClient.h"
 #include "core/page/FocusController.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameTree.h"
 #include "core/page/FrameView.h"
 #include "core/page/MouseEventWithHitTestResults.h"
 #include "core/page/Page.h"
 #include "core/page/Settings.h"
 #include "core/page/SpatialNavigation.h"
 #include "core/page/TouchAdjustment.h"
 #include "core/platform/Cursor.h"
-#include "core/platform/NotImplemented.h"
 #include "core/platform/PlatformEvent.h"
 #include "core/platform/PlatformGestureEvent.h"
 #include "core/platform/PlatformKeyboardEvent.h"
 #include "core/platform/PlatformTouchEvent.h"
 #include "core/platform/PlatformWheelEvent.h"
 #include "core/platform/ScrollAnimator.h"
 #include "core/platform/Scrollbar.h"
 #include "core/platform/WindowsKeyboardCodes.h"
 #include "core/platform/chromium/ChromiumDataObject.h"
 #include "core/platform/chromium/ClipboardChromium.h"
 #include "core/platform/graphics/FloatPoint.h"
-#include "core/platform/graphics/FloatRect.h"
 #include "core/platform/graphics/Image.h"
 #include "core/rendering/HitTestRequest.h"
 #include "core/rendering/HitTestResult.h"
-#include "core/rendering/RenderFrameSet.h"
 #include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderTextControlSingleLine.h"
 #include "core/rendering/RenderView.h"
 #include "core/rendering/RenderWidget.h"
 #include "core/rendering/style/CursorList.h"
-#include "core/rendering/style/StyleCachedImage.h"
-#include "core/rendering/style/StyleCachedImageSet.h"
 #include "core/svg/SVGDocument.h"
 #include "core/svg/SVGElementInstance.h"
 #include "core/svg/SVGUseElement.h"
 #include <wtf/Assertions.h>
 #include <wtf/CurrentTime.h>
 #include <wtf/StdLibExtras.h>
 #include <wtf/TemporaryChange.h>
 
 namespace WebCore {
 
@@ skipping 3777 matching lines @@
 unsigned EventHandler::accessKeyModifiers()
 {
 #if OS(DARWIN)
     return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
 #else
     return PlatformEvent::AltKey;
 #endif
 }
 
 } // namespace WebCore