Remove OwnPtr::release() calls in core/ (part 3).

third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp

 /*
  * 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
@@ skipping 3008 matching lines @@
     // Our location is irrelevant if we're unsplittable or no pagination is in effect.
     // Just go ahead and lay out the float.
     bool isChildLayoutBlock = floatBox.isLayoutBlock();
     if (isChildLayoutBlock && !floatBox.needsLayout() && view()->layoutState()->pageLogicalHeightChanged())
         floatBox.setChildNeedsLayout(MarkOnlyThis);
 
     floatBox.layoutIfNeeded();
 
     setLogicalWidthForFloat(*newObj, logicalWidthForChild(floatBox) + marginStartForChild(floatBox) + marginEndForChild(floatBox));
 
-    return m_floatingObjects->add(newObj.release());
+    return m_floatingObjects->add(std::move(newObj));
 }
 
 void LayoutBlockFlow::removeFloatingObject(LayoutBox* floatBox)
 {
     if (m_floatingObjects) {
         const FloatingObjectSet& floatingObjectSet = m_floatingObjects->set();
         FloatingObjectSetIterator it = floatingObjectSet.find<FloatingObjectHashTranslator>(floatBox);
         if (it != floatingObjectSet.end()) {
             FloatingObject& floatingObject = *it->get();
             if (childrenInline()) {
@@ skipping 787 matching lines @@
             if (!rect.isEmpty())
                 rects.append(rect);
         }
     }
 
     if (inlineElementContinuation)
         inlineElementContinuation->addOutlineRects(rects, additionalOffset + (inlineElementContinuation->containingBlock()->location() - location()), includeBlockOverflows);
 }
 
 } // namespace blink