Remove OwnPtr from Blink.

third_party/WebKit/Source/core/dom/DocumentParser.h

Index: third_party/WebKit/Source/core/dom/DocumentParser.h
diff --git a/third_party/WebKit/Source/core/dom/DocumentParser.h b/third_party/WebKit/Source/core/dom/DocumentParser.h
index 3362c21eba50e63cb6ab57396f0f22cfd468ae44..9d6dfee66c3bd84474deaf16359444cc9582f0f0 100644
--- a/third_party/WebKit/Source/core/dom/DocumentParser.h
+++ b/third_party/WebKit/Source/core/dom/DocumentParser.h
@@ -26,6 +26,7 @@
 
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
+#include <memory>
 
 namespace blink {
 
@@ -51,7 +52,7 @@ public:
     // The below functions are used by DocumentWriter (the loader).
     virtual void appendBytes(const char* bytes, size_t length) = 0;
     virtual bool needsDecoder() const { return false; }
-    virtual void setDecoder(PassOwnPtr<TextResourceDecoder>);
+    virtual void setDecoder(std::unique_ptr<TextResourceDecoder>);
     virtual TextResourceDecoder* decoder();
     virtual void setHasAppendedData() { }