Fixes crash in NavigationController that occured on closing tab if

only navigation in tab was an interstitial.

BUG=2964
TEST=Drag the following URL into

Review URL: http://codereview.chromium.org/4337

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@2688 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 12 insertions, 10 deletions

diff --git a/chrome/browser/navigation_controller.cc b/chrome/browser/navigation_controller.cc
index 0cecdc3..e8908fe 100644
--- a/chrome/browser/navigation_controller.cc
+++ b/chrome/browser/navigation_controller.cc
@@ -858,16 +858,18 @@ void NavigationController::RemoveLastEntryForInterstitial() {
     if (last_committed_entry_index_ >= current_size - 1) {
       last_committed_entry_index_ = current_size - 2;
 
-      // Broadcast the notification of the navigation. This is kind of a hack,
-      // since the navigation wasn't actually committed. But this function is
-      // used for interstital pages, and the UI needs to get updated when the
-      // interstitial page
-      LoadCommittedDetails details;
-      details.entry = GetActiveEntry();
-      details.is_auto = false;
-      details.is_in_page = false;
-      details.is_main_frame = true;
-      NotifyNavigationEntryCommitted(&details);
+      if (last_committed_entry_index_ != -1) {
+        // Broadcast the notification of the navigation. This is kind of a hack,
+        // since the navigation wasn't actually committed. But this function is
+        // used for interstital pages, and the UI needs to get updated when the
+        // interstitial page
+        LoadCommittedDetails details;
+        details.entry = GetActiveEntry();
+        details.is_auto = false;
+        details.is_in_page = false;
+        details.is_main_frame = true;
+        NotifyNavigationEntryCommitted(&details);
+      }
     }
 
     NotifyPrunedEntries(this, false, 1);