Move rendering/RenderLayer* to layout/

Source/core/rendering/RenderLayerStackingNodeIterator.h

Index: Source/core/rendering/RenderLayerStackingNodeIterator.h
diff --git a/Source/core/rendering/RenderLayerStackingNodeIterator.h b/Source/core/rendering/RenderLayerStackingNodeIterator.h
deleted file mode 100644
index 53963a52b7a7db564957c3c068e1077dc55cb8e0..0000000000000000000000000000000000000000
--- a/Source/core/rendering/RenderLayerStackingNodeIterator.h
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright (C) 2013 Google 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
- * OWNER OR 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.
- */
-
-#ifndef RenderLayerStackingNodeIterator_h
-#define RenderLayerStackingNodeIterator_h
-
-#include "wtf/Noncopyable.h"
-
-namespace blink {
-
-enum ChildrenIteration {
-    NegativeZOrderChildren = 1,
-    NormalFlowChildren = 1 << 1,
-    PositiveZOrderChildren = 1 << 2,
-    AllChildren = NegativeZOrderChildren | NormalFlowChildren | PositiveZOrderChildren
-};
-
-class RenderLayerStackingNode;
-
-// This iterator walks the RenderLayerStackingNode lists in the following order:
-// NegativeZOrderChildren -> NormalFlowChildren -> PositiveZOrderChildren.
-class RenderLayerStackingNodeIterator {
-    WTF_MAKE_NONCOPYABLE(RenderLayerStackingNodeIterator);
-public:
-    RenderLayerStackingNodeIterator(const RenderLayerStackingNode& root, unsigned whichChildren)
-        : m_root(root)
-        , m_remainingChildren(whichChildren)
-        , m_index(0)
-    {
-    }
-
-    RenderLayerStackingNode* next();
-
-private:
-    const RenderLayerStackingNode& m_root;
-    unsigned m_remainingChildren;
-    unsigned m_index;
-};
-
-// This iterator is similar to RenderLayerStackingNodeIterator but it walks the lists in reverse order
-// (from the last item to the first one).
-class RenderLayerStackingNodeReverseIterator {
-    WTF_MAKE_NONCOPYABLE(RenderLayerStackingNodeReverseIterator);
-public:
-    RenderLayerStackingNodeReverseIterator(const RenderLayerStackingNode& root, unsigned whichChildren)
-        : m_root(root)
-        , m_remainingChildren(whichChildren)
-    {
-        setIndexToLastItem();
-    }
-
-    RenderLayerStackingNode* next();
-
-private:
-    void setIndexToLastItem();
-
-    const RenderLayerStackingNode& m_root;
-    unsigned m_remainingChildren;
-    int m_index;
-};
-
-} // namespace blink
-
-#endif // RenderLayerStackingNodeIterator_h