Remove OwnPtr from Blink.

third_party/WebKit/Source/core/xml/parser/XMLDocumentParser.h

Index: third_party/WebKit/Source/core/xml/parser/XMLDocumentParser.h
diff --git a/third_party/WebKit/Source/core/xml/parser/XMLDocumentParser.h b/third_party/WebKit/Source/core/xml/parser/XMLDocumentParser.h
index b8b84bd39801ab224d7da971b5a28fdb67d5427f..8a21eb19e884653be8ea7f306a06f2b4dc0c2633 100644
--- a/third_party/WebKit/Source/core/xml/parser/XMLDocumentParser.h
+++ b/third_party/WebKit/Source/core/xml/parser/XMLDocumentParser.h
@@ -33,11 +33,11 @@
 #include "platform/heap/Handle.h"
 #include "platform/text/SegmentedString.h"
 #include "wtf/HashMap.h"
-#include "wtf/OwnPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringHash.h"
 #include <libxml/tree.h>
+#include <memory>
 
 namespace blink {
 
@@ -165,7 +165,7 @@ private:
 
     xmlParserCtxtPtr context() const { return m_context ? m_context->context() : 0; }
     RefPtr<XMLParserContext> m_context;
-    Deque<OwnPtr<PendingCallback>> m_pendingCallbacks;
+    Deque<std::unique_ptr<PendingCallback>> m_pendingCallbacks;
     Vector<xmlChar> m_bufferedText;
 
     Member<ContainerNode> m_currentNode;