Add wrapper container for a vector of OwnPtr<T>

cc/CCDebugRectHistory.cpp

 // Copyright 2012 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 "config.h"
 
 #if USE(ACCELERATED_COMPOSITING)
 #include "CCDebugRectHistory.h"
 
 #include "CCDamageTracker.h"
@@ skipping 36 matching lines @@
     // regardless of whether this layer is skipped for actual drawing or not. Therefore
     // we traverse recursively over all layers, not just the render surface list.
 
     if (!layer->updateRect().isEmpty() && layer->drawsContent()) {
         FloatRect updateContentRect = layer->updateRect();
         updateContentRect.scale(layer->contentBounds().width() / static_cast<float>(layer->bounds().width()), layer->contentBounds().height() / static_cast<float>(layer->bounds().height()));
         m_debugRects.append(CCDebugRect(PaintRectType, CCMathUtil::mapClippedRect(layer->screenSpaceTransform(), updateContentRect)));
     }
 
     for (unsigned i = 0; i < layer->children().size(); ++i)
-        savePaintRects(layer->children()[i].get());
+        savePaintRects(layer->children()[i]);
 }
 
 void CCDebugRectHistory::savePropertyChangedRects(const Vector<CCLayerImpl*>& renderSurfaceLayerList)
 {
     for (int surfaceIndex = renderSurfaceLayerList.size() - 1; surfaceIndex >= 0 ; --surfaceIndex) {
         CCLayerImpl* renderSurfaceLayer = renderSurfaceLayerList[surfaceIndex];
         CCRenderSurface* renderSurface = renderSurfaceLayer->renderSurface();
         ASSERT(renderSurface);
 
         const Vector<CCLayerImpl*>& layerList = renderSurface->layerList();
@@ skipping 39 matching lines @@
 
 void CCDebugRectHistory::saveOccludingRects(const Vector<IntRect>& occludingRects)
 {
     for (size_t i = 0; i < occludingRects.size(); ++i)
         m_debugRects.append(CCDebugRect(OccludingRectType, occludingRects[i]));
 }
 
 } // namespace cc
 
 #endif // USE(ACCELERATED_COMPOSITING)