Store non-standard HTTP headers in history. (WebKit side)

history/HistoryItem.h

Index: history/HistoryItem.h
===================================================================
--- history/HistoryItem.h	(revision 48585)
+++ history/HistoryItem.h	(working copy)
@@ -27,6 +27,7 @@
 #define HistoryItem_h
 
 #include "IntPoint.h"
+#include "HTTPHeaderMap.h"
 #include "PlatformString.h"
 #include <wtf/OwnPtr.h>
 #include <wtf/PassOwnPtr.h>
@@ -102,6 +103,7 @@
     const String& referrer() const;
     const String& target() const;
     bool isTargetItem() const;
+    const HTTPHeaderMap& httpHeaderFields() const;
     
     FormData* formData();
     String formContentType() const;
@@ -127,6 +129,7 @@
     void setParent(const String&);
     void setTitle(const String&);
     void setIsTargetItem(bool);
+    void setHTTPHeaderField(const String&, const String&);
     
     void setFormInfoFromRequest(const ResourceRequest&);
     void setFormData(PassRefPtr<FormData>);
@@ -196,6 +199,9 @@
     void collapseDailyVisitsToWeekly();
     void recordVisitAtTime(double, VisitCountBehavior = IncreaseVisitCount);
 
+    // Return true if the HTTP header should not be stored in the history
+    bool excludeHTTPHeaderFromStorage(const String& name) const;
+
     HistoryItem* findTargetItem();
 
     /* When adding new member variables to this class, please notify the Qt team.
@@ -230,6 +236,8 @@
     RefPtr<FormData> m_formData;
     String m_formContentType;
 
+    HTTPHeaderMap m_httpHeadersMap;
+
     // PageCache controls these fields.
     HistoryItem* m_next;
     HistoryItem* m_prev;