Create Source/modules/accessibility/ and move most of core/accessibility/* into it

Source/core/accessibility/AXSVGRoot.cpp

-/*
- * Copyright (C) 2012 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
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT 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.
- */
-
-#include "config.h"
-#include "core/accessibility/AXSVGRoot.h"
-
-
-namespace blink {
-
-AXSVGRoot::AXSVGRoot(RenderObject* renderer)
-    : AXRenderObject(renderer)
-{
-}
-
-AXSVGRoot::~AXSVGRoot()
-{
-}
-
-PassRefPtr<AXSVGRoot> AXSVGRoot::create(RenderObject* renderer)
-{
-    return adoptRef(new AXSVGRoot(renderer));
-}
-
-void AXSVGRoot::setParent(AXObject* parent)
-{
-    // Only update the parent to another objcet if it wasn't already set to
-    // something. Multiple elements in an HTML document can reference
-    // the same remote SVG document, and in that case the parent should just
-    // stay with the first one.
-    if (!m_parent || !parent)
-        m_parent = parent;
-}
-
-AXObject* AXSVGRoot::computeParent() const
-{
-    // If a parent was set because this is a remote SVG resource, use that
-    // but otherwise, we should rely on the standard render tree for the parent.
-    if (m_parent)
-        return m_parent;
-
-    return AXRenderObject::computeParent();
-}
-
-
-} // namespace blink