Remove OwnPtr from Blink.

third_party/WebKit/Source/core/inspector/DOMPatchSupport.cpp

Index: third_party/WebKit/Source/core/inspector/DOMPatchSupport.cpp
diff --git a/third_party/WebKit/Source/core/inspector/DOMPatchSupport.cpp b/third_party/WebKit/Source/core/inspector/DOMPatchSupport.cpp
index d39fcb3531d90c8cdabd508f30644cf26b900ec0..bbdb5e45575f3ad30855bfd666f1a48eadeb3e07 100644
--- a/third_party/WebKit/Source/core/inspector/DOMPatchSupport.cpp
+++ b/third_party/WebKit/Source/core/inspector/DOMPatchSupport.cpp
@@ -53,6 +53,7 @@
 #include "wtf/RefPtr.h"
 #include "wtf/text/Base64.h"
 #include "wtf/text/CString.h"
+#include <memory>
 
 namespace blink {
 
@@ -399,7 +400,7 @@ DOMPatchSupport::Digest* DOMPatchSupport::createDigest(Node* node, UnusedNodesMa
 {
     Digest* digest = new Digest(node);
 
-    OwnPtr<WebCryptoDigestor> digestor = createDigestor(HashAlgorithmSha1);
+    std::unique_ptr<WebCryptoDigestor> digestor = createDigestor(HashAlgorithmSha1);
     DigestValue digestResult;
 
     Node::NodeType nodeType = node->getNodeType();
@@ -419,7 +420,7 @@ DOMPatchSupport::Digest* DOMPatchSupport::createDigest(Node* node, UnusedNodesMa
 
         AttributeCollection attributes = element.attributesWithoutUpdate();
         if (!attributes.isEmpty()) {
-            OwnPtr<WebCryptoDigestor> attrsDigestor = createDigestor(HashAlgorithmSha1);
+            std::unique_ptr<WebCryptoDigestor> attrsDigestor = createDigestor(HashAlgorithmSha1);
             for (auto& attribute : attributes) {
                 addStringToDigestor(attrsDigestor.get(), attribute.name().toString());
                 addStringToDigestor(attrsDigestor.get(), attribute.value().getString());