Revert "Remove OwnPtr from Blink."

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

Index: third_party/WebKit/Source/core/loader/DocumentLoader.h
diff --git a/third_party/WebKit/Source/core/loader/DocumentLoader.h b/third_party/WebKit/Source/core/loader/DocumentLoader.h
index 9bf58f7ff85cd132f6499c7539c56571fa8f6612..acdd1efa89be2e1478ee0b4a42da30983f8a5cf2 100644
--- a/third_party/WebKit/Source/core/loader/DocumentLoader.h
+++ b/third_party/WebKit/Source/core/loader/DocumentLoader.h
@@ -49,7 +49,6 @@
 #include "public/platform/WebLoadingBehaviorFlag.h"
 #include "wtf/HashSet.h"
 #include "wtf/RefPtr.h"
-#include <memory>
 
 namespace blink {
 
@@ -85,7 +84,7 @@ public:
 
     ResourceFetcher* fetcher() const { return m_fetcher.get(); }
 
-    void setSubresourceFilter(std::unique_ptr<WebDocumentSubresourceFilter>);
+    void setSubresourceFilter(PassOwnPtr<WebDocumentSubresourceFilter>);
     WebDocumentSubresourceFilter* subresourceFilter() const { return m_subresourceFilter.get(); }
 
     const SubstituteData& substituteData() const { return m_substituteData; }
@@ -171,7 +170,7 @@ private:
     void finishedLoading(double finishTime);
     void cancelLoadAfterXFrameOptionsOrCSPDenied(const ResourceResponse&);
     void redirectReceived(Resource*, ResourceRequest&, const ResourceResponse&) final;
-    void responseReceived(Resource*, const ResourceResponse&, std::unique_ptr<WebDataConsumerHandle>) final;
+    void responseReceived(Resource*, const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) final;
     void dataReceived(Resource*, const char* data, size_t length) final;
     void processData(const char* data, size_t length);
     void notifyFinished(Resource*) final;
@@ -185,7 +184,7 @@ private:
 
     Member<LocalFrame> m_frame;
     Member<ResourceFetcher> m_fetcher;
-    std::unique_ptr<WebDocumentSubresourceFilter> m_subresourceFilter;
+    OwnPtr<WebDocumentSubresourceFilter> m_subresourceFilter;
 
     Member<RawResource> m_mainResource;