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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 62dc9b638f562b1a63c0b3efcb325bcdc58ba40b..13c82c2413101bcc2eeec6d586640f7525869745 100644
--- a/third_party/WebKit/Source/core/loader/DocumentLoader.h
+++ b/third_party/WebKit/Source/core/loader/DocumentLoader.h
@@ -33,6 +33,7 @@
 #include <memory>
 #include "bindings/core/v8/SourceLocation.h"
 #include "core/CoreExport.h"
+#include "core/dom/Document.h"
 #include "core/dom/ViewportDescription.h"
 #include "core/dom/WeakIdentifierMap.h"
 #include "core/frame/FrameTypes.h"
@@ -78,10 +79,12 @@ class CORE_EXPORT DocumentLoader
   static DocumentLoader* create(LocalFrame* frame,
                                 const ResourceRequest& request,
                                 const SubstituteData& data,
-                                ClientRedirectPolicy clientRedirectPolicy) {
+                                ClientRedirectPolicy clientRedirectPolicy,
+                                Document* originDocument) {
     DCHECK(frame);
 
-    return new DocumentLoader(frame, request, data, clientRedirectPolicy);
+    return new DocumentLoader(frame, request, data, clientRedirectPolicy,
+                              originDocument);
   }
   ~DocumentLoader() override;
 
@@ -104,6 +107,8 @@ class CORE_EXPORT DocumentLoader
 
   ResourceFetcher* fetcher() const { return m_fetcher.get(); }
 
+  Document* originDocument() const { return m_originDocument.get(); }
+
   void setSubresourceFilter(SubresourceFilter*);
   SubresourceFilter* subresourceFilter() const {
     return m_subresourceFilter.get();
@@ -207,7 +212,8 @@ class CORE_EXPORT DocumentLoader
   DocumentLoader(LocalFrame*,
                  const ResourceRequest&,
                  const SubstituteData&,
-                 ClientRedirectPolicy);
+                 ClientRedirectPolicy,
+                 Document* originDocument);
 
   Vector<KURL> m_redirectChain;
 
@@ -272,6 +278,8 @@ class CORE_EXPORT DocumentLoader
 
   Member<DocumentWriter> m_writer;
 
+  Member<Document> m_originDocument;
+
   Member<SubresourceFilter> m_subresourceFilter;
 
   // A reference to actual request used to create the data source.