Refactor HitTestResult to store the HitTestRequest

Source/core/layout/LayoutTextControlMultiLine.h

 /*
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 18 matching lines @@
 class HTMLTextAreaElement;
 
 class LayoutTextControlMultiLine final : public LayoutTextControl {
 public:
     LayoutTextControlMultiLine(HTMLTextAreaElement*);
     virtual ~LayoutTextControlMultiLine();
 
 private:
     virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectTextArea || LayoutTextControl::isOfType(type); }
 
-    virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
+    virtual bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) override;
 
     virtual float getAvgCharWidth(AtomicString family) override;
     virtual LayoutUnit preferredContentLogicalWidth(float charWidth) const override;
     virtual LayoutUnit computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const override;
     // We override the two baseline functions because we want our baseline to be the bottom of our margin box.
     virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override;
     virtual int inlineBlockBaseline(LineDirectionMode) const override { return -1; }
 
     virtual PassRefPtr<ComputedStyle> createInnerEditorStyle(const ComputedStyle& startStyle) const override;
     virtual LayoutObject* layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope&) override;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTextControlMultiLine, isTextArea());
 
 }
 
 #endif