Initial checkin the code was in nsScrollFrame.cpp

layout/html/base/src/nsScrollFrame.h

@@ -0,0 +1,66 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+#ifndef nsScrollFrame_h___
+#define nsScrollFrame_h___
+
+#include "nsHTMLContainerFrame.h"
+
+/**
+ * The scroll frame creates and manages the scrolling view. It creates
+ * a nsScrollViewFrame which handles padding and rendering of the
+ * background.
+ */
+class nsScrollFrame : public nsHTMLContainerFrame {
+public:
+  NS_IMETHOD Init(nsIPresContext&  aPresContext,
+                  nsIContent*      aContent,
+                  nsIFrame*        aParent,
+                  nsIStyleContext* aContext);
+
+  NS_IMETHOD SetInitialChildList(nsIPresContext& aPresContext,
+                                 nsIAtom*        aListName,
+                                 nsIFrame*       aChildList);
+
+  NS_IMETHOD DidReflow(nsIPresContext&   aPresContext,
+                       nsDidReflowStatus aStatus);
+
+  NS_IMETHOD Reflow(nsIPresContext&          aPresContext,
+                    nsHTMLReflowMetrics&     aDesiredSize,
+                    const nsHTMLReflowState& aReflowState,
+                    nsReflowStatus&          aStatus);
+
+  NS_IMETHOD Paint(nsIPresContext&      aPresContext,
+                   nsIRenderingContext& aRenderingContext,
+                   const nsRect&        aDirtyRect,
+                   nsFramePaintLayer    aWhichLayer);
+
+  NS_IMETHOD GetFrameName(nsString& aResult) const;
+
+  NS_IMETHOD ReResolveStyleContext(nsIPresContext* aPresContext, 
+                                     nsIStyleContext* aParentContext);
+
+protected:
+  virtual PRIntn GetSkipSides() const;
+
+private:
+  nsresult CreateScrollingView();
+};
+
+#endif /* nsScrollFrame_h___ */
+