Remove OwnPtr from Blink.

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

Index: third_party/WebKit/Source/core/layout/LayoutBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBox.cpp b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
index 0cda260965ad4a195be89ab2cd3e462c8d1cd65b..2dae9193d9c32f32b75eeb6aa231e20bf0b40965 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBox.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
@@ -61,6 +61,7 @@
 #include "platform/geometry/DoubleRect.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/geometry/FloatRoundedRect.h"
+#include "wtf/PtrUtil.h"
 #include <algorithm>
 #include <math.h>
 
@@ -4199,7 +4200,7 @@ void LayoutBox::addLayoutOverflow(const LayoutRect& rect)
     }
 
     if (!m_overflow)
-        m_overflow = adoptPtr(new BoxOverflowModel(clientBox, borderBoxRect()));
+        m_overflow = wrapUnique(new BoxOverflowModel(clientBox, borderBoxRect()));
 
     m_overflow->addLayoutOverflow(overflowRect);
 }
@@ -4214,7 +4215,7 @@ void LayoutBox::addSelfVisualOverflow(const LayoutRect& rect)
         return;
 
     if (!m_overflow)
-        m_overflow = adoptPtr(new BoxOverflowModel(noOverflowRect(), borderBox));
+        m_overflow = wrapUnique(new BoxOverflowModel(noOverflowRect(), borderBox));
 
     m_overflow->addSelfVisualOverflow(rect);
 }
@@ -4232,7 +4233,7 @@ void LayoutBox::addContentsVisualOverflow(const LayoutRect& rect)
         return;
 
     if (!m_overflow)
-        m_overflow = adoptPtr(new BoxOverflowModel(noOverflowRect(), borderBox));
+        m_overflow = wrapUnique(new BoxOverflowModel(noOverflowRect(), borderBox));
     m_overflow->addContentsVisualOverflow(rect);
 }