Remove PLATFORM(BLACKBERRY) support.

Source/WebCore/history/HistoryItem.h

Index: Source/WebCore/history/HistoryItem.h
diff --git a/Source/WebCore/history/HistoryItem.h b/Source/WebCore/history/HistoryItem.h
index bece46381a5c36ee1d92bbed664779e5479f5267..12f5d116b3d1f348489ef0970bae0b59a1fdfa3e 100644
--- a/Source/WebCore/history/HistoryItem.h
+++ b/Source/WebCore/history/HistoryItem.h
@@ -46,10 +46,6 @@ typedef struct objc_object* id;
 #include <QDataStream>
 #endif
 
-#if PLATFORM(BLACKBERRY)
-#include "HistoryItemViewState.h"
-#endif
-
 namespace WebCore {
 
 class CachedPage;
@@ -206,10 +202,6 @@ public:
     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;
@@ -297,10 +289,6 @@ private:
 #if PLATFORM(QT)
     QVariant m_userData;
 #endif
-
-#if PLATFORM(BLACKBERRY)
-    HistoryItemViewState m_viewState;
-#endif
 }; //class HistoryItem
 
 } //namespace WebCore