Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/core/frame/SettingsDelegate.h

Index: third_party/WebKit/Source/core/frame/SettingsDelegate.h
diff --git a/third_party/WebKit/Source/core/frame/SettingsDelegate.h b/third_party/WebKit/Source/core/frame/SettingsDelegate.h
index 4b37ff97468f398fff4b25a2af2de5844a4a178b..561cfa743fd73880c0d6b74e1abb63005a7c050f 100644
--- a/third_party/WebKit/Source/core/frame/SettingsDelegate.h
+++ b/third_party/WebKit/Source/core/frame/SettingsDelegate.h
@@ -33,7 +33,8 @@
 
 #include "core/CoreExport.h"
 #include "wtf/Allocator.h"
-#include <memory>
+#include "wtf/OwnPtr.h"
+#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
@@ -42,7 +43,7 @@ class Settings;
 class CORE_EXPORT SettingsDelegate {
     DISALLOW_NEW();
 public:
-    explicit SettingsDelegate(std::unique_ptr<Settings>);
+    explicit SettingsDelegate(PassOwnPtr<Settings>);
     virtual ~SettingsDelegate();
 
     Settings* settings() const { return m_settings.get(); }
@@ -66,7 +67,7 @@ public:
     virtual void settingsChanged(ChangeType) = 0;
 
 protected:
-    std::unique_ptr<Settings> const m_settings;
+    OwnPtr<Settings> const m_settings;
 };
 
 } // namespace blink