Remove OwnPtr from Blink.

third_party/WebKit/Source/core/loader/FrameLoader.cpp

Index: third_party/WebKit/Source/core/loader/FrameLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/FrameLoader.cpp b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
index 98043161ced3d6f7e13f09d89c9b864899bb2490..5c918cd0ba35b500c7253ced89e1d71724f9dcfc 100644
--- a/third_party/WebKit/Source/core/loader/FrameLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/FrameLoader.cpp
@@ -99,6 +99,7 @@
 #include "wtf/TemporaryChange.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/WTFString.h"
+#include <memory>
 
 using blink::WebURLRequest;
 
@@ -1600,9 +1601,9 @@ SecurityContext::InsecureNavigationsSet* FrameLoader::insecureNavigationsToUpgra
     return toLocalFrame(parentFrame)->document()->insecureNavigationsToUpgrade();
 }
 
-PassOwnPtr<TracedValue> FrameLoader::toTracedValue() const
+std::unique_ptr<TracedValue> FrameLoader::toTracedValue() const
 {
-    OwnPtr<TracedValue> tracedValue = TracedValue::create();
+    std::unique_ptr<TracedValue> tracedValue = TracedValue::create();
     tracedValue->beginDictionary("frame");
     tracedValue->setString("id_ref", String::format("0x%" PRIx64, static_cast<uint64_t>(reinterpret_cast<uintptr_t>(m_frame.get()))));
     tracedValue->endDictionary();