Revert 78354 - Revert 78236 - Merge r76205, crbug 54262...

WebCore/history/HistoryItem.cpp

Index: WebCore/history/HistoryItem.cpp
===================================================================
--- WebCore/history/HistoryItem.cpp	(revision 78375)
+++ WebCore/history/HistoryItem.cpp	(working copy)
@@ -60,6 +60,8 @@
     , m_visitCount(0)
     , m_itemSequenceNumber(generateSequenceNumber())
     , m_documentSequenceNumber(generateSequenceNumber())
+    , m_next(0)
+    , m_prev(0)
 {
 }
 
@@ -74,6 +76,8 @@
     , m_visitCount(0)
     , m_itemSequenceNumber(generateSequenceNumber())
     , m_documentSequenceNumber(generateSequenceNumber())
+    , m_next(0)
+    , m_prev(0)
 {    
     iconDatabase()->retainIconForPageURL(m_urlString);
 }
@@ -90,6 +94,8 @@
     , m_visitCount(0)
     , m_itemSequenceNumber(generateSequenceNumber())
     , m_documentSequenceNumber(generateSequenceNumber())
+    , m_next(0)
+    , m_prev(0)
 {
     iconDatabase()->retainIconForPageURL(m_urlString);
 }
@@ -107,6 +113,8 @@
     , m_visitCount(0)
     , m_itemSequenceNumber(generateSequenceNumber())
     , m_documentSequenceNumber(generateSequenceNumber())
+    , m_next(0)
+    , m_prev(0)
 {    
     iconDatabase()->retainIconForPageURL(m_urlString);
 }
@@ -159,6 +167,38 @@
     return adoptRef(new HistoryItem(*this));
 }
 
+void HistoryItem::reset()
+{
+    iconDatabase()->releaseIconForPageURL(m_urlString);
+
+    m_urlString = String();
+    m_originalURLString = String();
+    m_referrer = String();
+    m_target = String();
+    m_parent = String();
+    m_title = String();
+    m_displayTitle = String();
+
+    m_lastVisitedTime = 0;
+    m_lastVisitWasHTTPNonGet = false;
+
+    m_lastVisitWasFailure = false;
+    m_isTargetItem = false;
+    m_visitCount = 0;
+    m_dailyVisitCounts.clear();
+    m_weeklyVisitCounts.clear();
+
+    m_redirectURLs.clear();
+
+    m_itemSequenceNumber = generateSequenceNumber();
+
+    m_stateObject = 0;
+    m_documentSequenceNumber = generateSequenceNumber();
+
+    m_formData = 0;
+    m_formContentType = String();
+}
+
 const String& HistoryItem::urlString() const
 {
     return m_urlString;