Add wrapper container for a vector of OwnPtr<T>

cc/LayerChromium.h

 // Copyright 2010 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.
 
 
 #ifndef LayerChromium_h
 #define LayerChromium_h
 
 #if USE(ACCELERATED_COMPOSITING)
 
@@ skipping 49 matching lines @@
     virtual const WebKit::WebTransformationMatrix& transform() const OVERRIDE { return m_transform; }
 
     LayerChromium* rootLayer();
     LayerChromium* parent() const;
     void addChild(PassRefPtr<LayerChromium>);
     void insertChild(PassRefPtr<LayerChromium>, size_t index);
     void replaceChild(LayerChromium* reference, PassRefPtr<LayerChromium> newLayer);
     void removeFromParent();
     void removeAllChildren();
     void setChildren(const Vector<RefPtr<LayerChromium> >&);
+
     const Vector<RefPtr<LayerChromium> >& children() const { return m_children; }
 
     void setAnchorPoint(const FloatPoint&);
     FloatPoint anchorPoint() const { return m_anchorPoint; }
 
     void setAnchorPointZ(float);
     float anchorPointZ() const { return m_anchorPointZ; }
 
     void setBackgroundColor(SkColor);
     SkColor backgroundColor() const { return m_backgroundColor; }
@@ skipping 292 matching lines @@
     WebKit::WebAnimationDelegate* m_layerAnimationDelegate;
     WebKit::WebLayerScrollClient* m_layerScrollClient;
 };
 
 void sortLayers(Vector<RefPtr<LayerChromium> >::iterator, Vector<RefPtr<LayerChromium> >::iterator, void*);
 
 }
 #endif // USE(ACCELERATED_COMPOSITING)
 
 #endif