static uint64_t getIDForHistoryItem(HistoryItem* item)
{
uint64_t itemID = 0;
std::pair<HistoryItemToIDMap::iterator, bool> result = historyItemToIDMap().add(item, 0);
if (result.second) {
itemID = generateHistoryItemID();
result.first->second = itemID;
idToHistoryItemMap().set(itemID, item);
} else
itemID = result.first->second;
ASSERT(itemID);
return itemID;
}
void WebBackForwardListProxy::addItem(PassRefPtr<HistoryItem> prpItem)
{
RefPtr<HistoryItem> item = prpItem;
ASSERT(!historyItemToIDMap().contains(item));
if (!m_page)
return;
uint64_t itemID = generateHistoryItemID();
ASSERT(!idToHistoryItemMap().contains(itemID));
historyItemToIDMap().set(item, itemID);
idToHistoryItemMap().set(itemID, item);
updateBackForwardItem(itemID, item.get());
m_page->send(Messages::WebPageProxy::BackForwardAddItem(itemID));
}