Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/storage/StorageNamespace.cpp

Index: third_party/WebKit/Source/modules/storage/StorageNamespace.cpp
diff --git a/third_party/WebKit/Source/modules/storage/StorageNamespace.cpp b/third_party/WebKit/Source/modules/storage/StorageNamespace.cpp
index 1ad21f84c45a579ad9a20107aed454871379ac13..60f68693b2e1eade39cf4690c6a6e1aa3dcd6648 100644
--- a/third_party/WebKit/Source/modules/storage/StorageNamespace.cpp
+++ b/third_party/WebKit/Source/modules/storage/StorageNamespace.cpp
@@ -30,12 +30,10 @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebStorageArea.h"
 #include "public/platform/WebStorageNamespace.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
 
 namespace blink {
 
-StorageNamespace::StorageNamespace(std::unique_ptr<WebStorageNamespace> webStorageNamespace)
+StorageNamespace::StorageNamespace(PassOwnPtr<WebStorageNamespace> webStorageNamespace)
     : m_webStorageNamespace(std::move(webStorageNamespace))
 {
 }
@@ -50,12 +48,12 @@ StorageArea* StorageNamespace::localStorageArea(SecurityOrigin* origin)
     static WebStorageNamespace* localStorageNamespace = nullptr;
     if (!localStorageNamespace)
         localStorageNamespace = Platform::current()->createLocalStorageNamespace();
-    return StorageArea::create(wrapUnique(localStorageNamespace->createStorageArea(origin->toString())), LocalStorage);
+    return StorageArea::create(adoptPtr(localStorageNamespace->createStorageArea(origin->toString())), LocalStorage);
 }
 
 StorageArea* StorageNamespace::storageArea(SecurityOrigin* origin)
 {
-    return StorageArea::create(wrapUnique(m_webStorageNamespace->createStorageArea(origin->toString())), SessionStorage);
+    return StorageArea::create(adoptPtr(m_webStorageNamespace->createStorageArea(origin->toString())), SessionStorage);
 }
 
 bool StorageNamespace::isSameNamespace(const WebStorageNamespace& sessionNamespace) const