Removing a bunch of unused platform code.

Source/WebCore/history/HistoryItem.h

 /*
  * Copyright (C) 2006, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Research In Motion Limited. 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 22 matching lines @@
 #include <wtf/OwnPtr.h>
 #include <wtf/PassOwnPtr.h>
 #include <wtf/RefCounted.h>
 #include <wtf/text/WTFString.h>
 
 #if PLATFORM(MAC)
 #import <wtf/RetainPtr.h>
 typedef struct objc_object* id;
 #endif
 
-#if PLATFORM(QT)
-#include <QVariant>
-#include <QByteArray>
-#include <QDataStream>
-#endif
-
 #if PLATFORM(BLACKBERRY)
 #include "HistoryItemViewState.h"
 #endif
 
 namespace WebCore {
 
 class CachedPage;
 class Document;
 class FormData;
 class HistoryItem;
@@ skipping 132 matching lines @@
 #if PLATFORM(MAC)
     id viewState() const;
     void setViewState(id);
     
     // Transient properties may be of any ObjC type.  They are intended to be used to store state per back/forward list entry.
     // The properties will not be persisted; when the history item is removed, the properties will be lost.
     id getTransientProperty(const String&) const;
     void setTransientProperty(const String&, id);
 #endif
 
-#if PLATFORM(QT)
-    QVariant userData() const { return m_userData; }
-    void setUserData(const QVariant& userData) { m_userData = userData; }
-
-    static PassRefPtr<HistoryItem> restoreState(QDataStream& buffer, int version);
-    QDataStream& saveState(QDataStream& out, int version) const;
-#endif
-
 #if PLATFORM(BLACKBERRY)
     HistoryItemViewState& viewState() { return m_viewState; }
 #endif
 
 #ifndef NDEBUG
     int showTree() const;
     int showTreeWithIndent(unsigned indentLevel) const;
 #endif
 
     void adoptVisitCounts(Vector<int>& dailyCounts, Vector<int>& weeklyCounts);
@@ skipping 11 matching lines @@
     void padDailyCountsForNewVisit(double time);
     void collapseDailyVisitsToWeekly();
     void recordVisitAtTime(double, VisitCountBehavior = IncreaseVisitCount);
     
     bool hasSameDocumentTree(HistoryItem* otherItem) const;
 
     HistoryItem* findTargetItem();
 
     void encodeBackForwardTreeNode(Encoder&) const;
 
-    /* When adding new member variables to this class, please notify the Qt team.
-     * qt/HistoryItemQt.cpp contains code to serialize history items.
-     */
-
     String m_urlString;
     String m_originalURLString;
     String m_referrer;
     String m_target;
     String m_parent;
     String m_title;
     String m_displayTitle;
     
     double m_lastVisitedTime;
     bool m_lastVisitWasHTTPNonGet;
@@ skipping 33 matching lines @@
     // PageCache controls these fields.
     HistoryItem* m_next;
     HistoryItem* m_prev;
     RefPtr<CachedPage> m_cachedPage;
     
 #if PLATFORM(MAC)
     RetainPtr<id> m_viewState;
     OwnPtr<HashMap<String, RetainPtr<id> > > m_transientProperties;
 #endif
 
-#if PLATFORM(QT)
-    QVariant m_userData;
-#endif
-
-#if PLATFORM(BLACKBERRY)
-    HistoryItemViewState m_viewState;
-#endif
 }; //class HistoryItem
 
 } //namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 extern "C" int showTree(const WebCore::HistoryItem*);
 #endif
 
 #endif // HISTORYITEM_H