Expose a cachePolicy parameter to loadHistoryItem.

Source/core/loader/HistoryController.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * 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 14 matching lines @@
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (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 HistoryController_h
 #define HistoryController_h
 
 #include "core/history/HistoryItem.h"
 #include "core/loader/FrameLoaderTypes.h"
+#include "platform/network/ResourceRequest.h"
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class Frame;
 class HistoryEntry;
 class Page;
@@ skipping 86 matching lines @@
 };
 
 class HistoryController {
     WTF_MAKE_NONCOPYABLE(HistoryController);
 public:
     explicit HistoryController(Page*);
     ~HistoryController();
 
     // Should only be called by embedder. To request a back/forward
     // navigation, call FrameLoaderClient::navigateBackForward().
-    void goToItem(HistoryItem*);
+    void goToItem(HistoryItem*, ResourceRequestCachePolicy);
 
     void updateBackForwardListForFragmentScroll(Frame*, HistoryItem*);
     void updateForCommit(Frame*, HistoryItem*, HistoryCommitType);
 
     PassRefPtr<HistoryItem> currentItemForExport(Frame*);
     PassRefPtr<HistoryItem> previousItemForExport(Frame*);
     PassRefPtr<HistoryItem> provisionalItemForExport(Frame*);
     HistoryItem* itemForNewChildFrame(Frame*) const;
 
     bool inSameDocumentLoad() const { return !m_sameDocumentLoadsInProgress.isEmpty() && m_differentDocumentLoadsInProgress.isEmpty(); }
 
     void setDefersLoading(bool);
 
 private:
-    void goToEntry(PassOwnPtr<HistoryEntry>);
+    void goToEntry(PassOwnPtr<HistoryEntry>, ResourceRequestCachePolicy);
     void recursiveGoToEntry(Frame*);
 
     void updateForInitialLoadInChildFrame(Frame*, HistoryItem*);
     void createNewBackForwardItem(Frame*, HistoryItem*, bool doClip);
 
     Page* m_page;
 
     OwnPtr<HistoryEntry> m_currentEntry;
     OwnPtr<HistoryEntry> m_previousEntry;
     OwnPtr<HistoryEntry> m_provisionalEntry;
 
     typedef HashMap<Frame*, HistoryItem*> HistoryFrameLoadSet;
     HistoryFrameLoadSet m_sameDocumentLoadsInProgress;
     HistoryFrameLoadSet m_differentDocumentLoadsInProgress;
 
     bool m_defersLoading;
     RefPtr<HistoryItem> m_deferredItem;
+    ResourceRequestCachePolicy m_deferredCachePolicy;
 };
 
 } // namespace WebCore
 
 #endif // HistoryController_h