Remove OwnPtr from Blink.

third_party/WebKit/public/platform/WebPrivateOwnPtr.h

Index: third_party/WebKit/public/platform/WebPrivateOwnPtr.h
diff --git a/third_party/WebKit/public/platform/WebPrivateOwnPtr.h b/third_party/WebKit/public/platform/WebPrivateOwnPtr.h
index 64d0451f9362e4a07544f0ef8c703fd63f44820f..9f29792ea15f265d2fb9afadfacdd219b2af39f6 100644
--- a/third_party/WebKit/public/platform/WebPrivateOwnPtr.h
+++ b/third_party/WebKit/public/platform/WebPrivateOwnPtr.h
@@ -33,7 +33,8 @@
 #include <cstddef>
 
 #if INSIDE_BLINK
-#include "wtf/PassOwnPtr.h"
+#include "wtf/PtrUtil.h"
+#include <memory>
 #endif
 
 namespace blink {
@@ -60,7 +61,7 @@ public:
 
 #if INSIDE_BLINK
     template <typename U>
-    WebPrivateOwnPtr(PassOwnPtr<U>, EnsurePtrConvertibleArgDecl(U, T));
+    WebPrivateOwnPtr(std::unique_ptr<U>, EnsurePtrConvertibleArgDecl(U, T));
 
     void reset(T* ptr)
     {
@@ -68,16 +69,16 @@ public:
         m_ptr = ptr;
     }
 
-    void reset(PassOwnPtr<T> o)
+    void reset(std::unique_ptr<T> o)
     {
-        reset(o.leakPtr());
+        reset(o.release());
     }
 
-    PassOwnPtr<T> release()
+    std::unique_ptr<T> release()
     {
         T* ptr = m_ptr;
         m_ptr = nullptr;
-        return adoptPtr(ptr);
+        return wrapUnique(ptr);
     }
 
     T& operator*() const
@@ -100,8 +101,8 @@ private:
 #if INSIDE_BLINK
 template <typename T>
 template <typename U>
-inline WebPrivateOwnPtr<T>::WebPrivateOwnPtr(PassOwnPtr<U> o, EnsurePtrConvertibleArgDefn(U, T))
-    : m_ptr(o.leakPtr())
+inline WebPrivateOwnPtr<T>::WebPrivateOwnPtr(std::unique_ptr<U> o, EnsurePtrConvertibleArgDefn(U, T))
+    : m_ptr(o.release())
 {
     static_assert(!std::is_array<T>::value, "Pointers to array must never be converted");
 }