2 files changed, 10 insertions, 0 deletions
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 0da4929..ef69bb6 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -2208,6 +2208,9 @@ WebHistoryItem* RenderView::GetHistoryEntryAtOffset(int offset) {
 }
 
 void RenderView::GoToEntryAtOffsetAsync(int offset) {
+  history_back_list_count_ += offset;
+  history_forward_list_count_ -= offset;
+
   Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset));
 }
 
@@ -2548,6 +2551,11 @@ void RenderView::TransitionToCommittedForNewPage() {
 #endif
 }
 
+void RenderView::DidAddHistoryItem() {
+  history_back_list_count_++;
+  history_forward_list_count_ = 0;
+}
+
 void RenderView::OnMessageFromExternalHost(
     const std::string& target, const std::string& message) {
   if (message.empty())
diff --git a/chrome/renderer/render_view.h b/chrome/renderer/render_view.h
index 51b9d93..a59f328 100644
--- a/chrome/renderer/render_view.h
+++ b/chrome/renderer/render_view.h
@@ -485,6 +485,8 @@ class RenderView : public RenderWidget, public WebViewDelegate,
 
   virtual void TransitionToCommittedForNewPage();
 
+  virtual void DidAddHistoryItem();
+
   // A helper method used by WasOpenedByUserGesture.
   bool WasOpenedByUserGestureHelper() const;