Remove OwnPtr from Blink.

third_party/WebKit/Source/platform/network/HTTPHeaderMap.cpp

Index: third_party/WebKit/Source/platform/network/HTTPHeaderMap.cpp
diff --git a/third_party/WebKit/Source/platform/network/HTTPHeaderMap.cpp b/third_party/WebKit/Source/platform/network/HTTPHeaderMap.cpp
index c1c37dc40e6c386ba0e7ee1dad9ffbaf7b543e39..2581d2f96d9f4d9f0127c4606ead6ea56b857800 100644
--- a/third_party/WebKit/Source/platform/network/HTTPHeaderMap.cpp
+++ b/third_party/WebKit/Source/platform/network/HTTPHeaderMap.cpp
@@ -30,6 +30,9 @@
 
 #include "platform/network/HTTPHeaderMap.h"
 
+#include "wtf/PtrUtil.h"
+#include <memory>
+
 namespace blink {
 
 HTTPHeaderMap::HTTPHeaderMap()
@@ -40,9 +43,9 @@ HTTPHeaderMap::~HTTPHeaderMap()
 {
 }
 
-PassOwnPtr<CrossThreadHTTPHeaderMapData> HTTPHeaderMap::copyData() const
+std::unique_ptr<CrossThreadHTTPHeaderMapData> HTTPHeaderMap::copyData() const
 {
-    OwnPtr<CrossThreadHTTPHeaderMapData> data = adoptPtr(new CrossThreadHTTPHeaderMapData());
+    std::unique_ptr<CrossThreadHTTPHeaderMapData> data = wrapUnique(new CrossThreadHTTPHeaderMapData());
     data->reserveInitialCapacity(size());
 
     HTTPHeaderMap::const_iterator endIt = end();
@@ -52,7 +55,7 @@ PassOwnPtr<CrossThreadHTTPHeaderMapData> HTTPHeaderMap::copyData() const
     return data;
 }
 
-void HTTPHeaderMap::adopt(PassOwnPtr<CrossThreadHTTPHeaderMapData> data)
+void HTTPHeaderMap::adopt(std::unique_ptr<CrossThreadHTTPHeaderMapData> data)
 {
     clear();
     size_t dataSize = data->size();