Plumb initiator out of Blink.

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 15 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DocumentLoader_h
 #define DocumentLoader_h
 
 #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"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/loader/DocumentLoadTiming.h"
 #include "core/loader/DocumentWriter.h"
 #include "core/loader/FrameLoaderTypes.h"
 #include "core/loader/LinkLoader.h"
 #include "core/loader/NavigationPolicy.h"
 #include "platform/SharedBuffer.h"
@@ skipping 25 matching lines @@
 
 class CORE_EXPORT DocumentLoader
     : public GarbageCollectedFinalized<DocumentLoader>,
       private RawResourceClient {
   USING_GARBAGE_COLLECTED_MIXIN(DocumentLoader);
 
  public:
   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;
 
   LocalFrame* frame() const { return m_frame; }
 
   ResourceTimingInfo* getNavigationTimingInfo() const;
 
   virtual void detachFromFrame();
 
   unsigned long mainResourceIdentifier() const;
 
   void replaceDocumentWhileExecutingJavaScriptURL(const DocumentInit&,
                                                   const String& source);
 
   const AtomicString& mimeType() const;
 
   const ResourceRequest& originalRequest() const;
 
   const ResourceRequest& getRequest() const;
 
   ResourceFetcher* fetcher() const { return m_fetcher.get(); }
 
+  Document* originDocument() const { return m_originDocument.get(); }
+
   void setSubresourceFilter(SubresourceFilter*);
   SubresourceFilter* subresourceFilter() const {
     return m_subresourceFilter.get();
   }
 
   const SubstituteData& substituteData() const { return m_substituteData; }
 
   const KURL& url() const;
   const KURL& unreachableURL() const;
   const KURL& urlForHistory() const;
@@ skipping 83 matching lines @@
 
   std::unique_ptr<SourceLocation> copySourceLocation() const;
   void setSourceLocation(std::unique_ptr<SourceLocation>);
 
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   DocumentLoader(LocalFrame*,
                  const ResourceRequest&,
                  const SubstituteData&,
-                 ClientRedirectPolicy);
+                 ClientRedirectPolicy,
+                 Document* originDocument);
 
   Vector<KURL> m_redirectChain;
 
  private:
   // installNewDocument() does the work of creating a Document and
   // DocumentWriter, as well as creating a new LocalDOMWindow if needed. It also
   // initalizes a bunch of state on the Document (e.g., the state based on
   // response headers).
   enum class InstallNewDocumentReason { kNavigation, kJavascriptURL };
   void installNewDocument(const DocumentInit&,
@@ skipping 44 matching lines @@
 
   bool shouldContinueForResponse() const;
 
   Member<LocalFrame> m_frame;
   Member<ResourceFetcher> m_fetcher;
 
   Member<RawResource> m_mainResource;
 
   Member<DocumentWriter> m_writer;
 
+  Member<Document> m_originDocument;
+
   Member<SubresourceFilter> m_subresourceFilter;
 
   // A reference to actual request used to create the data source.
   // The only part of this request that should change is the url, and
   // that only in the case of a same-document navigation.
   ResourceRequest m_originalRequest;
 
   SubstituteData m_substituteData;
 
   // The 'working' request. It may be mutated
@@ skipping 42 matching lines @@
   // Used to protect against reentrancy into dataReceived().
   bool m_inDataReceived;
   RefPtr<SharedBuffer> m_dataBuffer;
 };
 
 DECLARE_WEAK_IDENTIFIER_MAP(DocumentLoader);
 
 }  // namespace blink
 
 #endif  // DocumentLoader_h