Expose a cachePolicy parameter to loadHistoryItem.

Source/core/loader/FrameLoader.cpp

Index: Source/core/loader/FrameLoader.cpp
diff --git a/Source/core/loader/FrameLoader.cpp b/Source/core/loader/FrameLoader.cpp
index b8119d521230b6670d6dfd342a4e4645a600aa57..ad0d2ab9f041460aa5a24ae03862bde95c3b9898 100644
--- a/Source/core/loader/FrameLoader.cpp
+++ b/Source/core/loader/FrameLoader.cpp
@@ -1464,7 +1464,7 @@ Frame* FrameLoader::findFrameForNavigation(const AtomicString& name, Document* a
     return frame;
 }
 
-void FrameLoader::loadHistoryItem(HistoryItem* item, HistoryLoadType historyLoadType)
+void FrameLoader::loadHistoryItem(HistoryItem* item, HistoryLoadType historyLoadType, ResourceRequestCachePolicy cachePolicy)
 {
     saveDocumentAndScrollState();
     m_currentItem = item;
@@ -1477,6 +1477,7 @@ void FrameLoader::loadHistoryItem(HistoryItem* item, HistoryLoadType historyLoad
     RefPtr<FormData> formData = item->formData();
     ResourceRequest request(item->url());
     request.setHTTPReferrer(item->referrer());
+    request.setCachePolicy(cachePolicy);
     if (formData) {
         request.setHTTPMethod("POST");
         request.setHTTPBody(formData);