Revert "First iteration on custom layout."

sky/engine/core/rendering/RenderCustomLayout.cpp

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "sky/engine/config.h"
-#include "sky/engine/core/rendering/RenderCustomLayout.h"
-
-#include "sky/engine/core/rendering/RenderLayer.h"
-#include "sky/engine/core/layout/LayoutCallback.h"
-
-namespace blink {
-
-RenderCustomLayout::RenderCustomLayout(ContainerNode* node)
-    : RenderBlock(node)
-{
-}
-
-RenderCustomLayout::~RenderCustomLayout()
-{
-}
-
-void RenderCustomLayout::layout()
-{
-    // TODO(ojan): This should really be done by the author code, but
-    // if the author code doesn't call layout, then we won't clear the
-    // needsLayout bit and we'll assert.
-    for (RenderBox* child = firstChildBox(); child; child = child->nextSiblingBox()) {
-        child->layoutIfNeeded();
-    }
-
-    ASSERT(node()->isElementNode());
-    toElement(node())->layoutManager()->handleEvent();
-    clearNeedsLayout();
-}
-
-const char* RenderCustomLayout::renderName() const
-{
-    return "RenderCustomLayout";
-}
-
-} // namespace blink
-