Remove OwnPtr from Blink.

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

Index: third_party/WebKit/Source/core/loader/DocumentLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/DocumentLoader.cpp b/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
index 8f11b8e5c465dad5957fa827936b7f65e98d328d..10b44fc1dadf3b5c02217bb89a9976a58a447e56 100644
--- a/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/DocumentLoader.cpp
@@ -75,6 +75,7 @@
 #include "wtf/Assertions.h"
 #include "wtf/TemporaryChange.h"
 #include "wtf/text/WTFString.h"
+#include <memory>
 
 namespace blink {
 
@@ -165,7 +166,7 @@ const KURL& DocumentLoader::url() const
     return m_request.url();
 }
 
-void DocumentLoader::setSubresourceFilter(PassOwnPtr<WebDocumentSubresourceFilter> subresourceFilter)
+void DocumentLoader::setSubresourceFilter(std::unique_ptr<WebDocumentSubresourceFilter> subresourceFilter)
 {
     m_subresourceFilter = std::move(subresourceFilter);
 }
@@ -370,7 +371,7 @@ void DocumentLoader::cancelLoadAfterXFrameOptionsOrCSPDenied(const ResourceRespo
     return;
 }
 
-void DocumentLoader::responseReceived(Resource* resource, const ResourceResponse& response, PassOwnPtr<WebDataConsumerHandle> handle)
+void DocumentLoader::responseReceived(Resource* resource, const ResourceResponse& response, std::unique_ptr<WebDataConsumerHandle> handle)
 {
     ASSERT_UNUSED(resource, m_mainResource == resource);
     ASSERT_UNUSED(handle, !handle);