Make TabContents own its infobar delegates....

chrome/browser/gtk/infobar_container_gtk.cc

Index: chrome/browser/gtk/infobar_container_gtk.cc
===================================================================
--- chrome/browser/gtk/infobar_container_gtk.cc	(revision 65711)
+++ chrome/browser/gtk/infobar_container_gtk.cc	(working copy)
@@ -123,12 +123,12 @@
   } else if (type == NotificationType::TAB_CONTENTS_INFOBAR_REMOVED) {
     RemoveInfoBar(Details<InfoBarDelegate>(details).ptr(), true);
   } else if (type == NotificationType::TAB_CONTENTS_INFOBAR_REPLACED) {
-    std::pair<InfoBarDelegate*, InfoBarDelegate*>* delegates =
-        Details<std::pair<InfoBarDelegate*, InfoBarDelegate*> >(details).ptr();
+    typedef std::pair<InfoBarDelegate*, InfoBarDelegate*> DelegatePair;
+    DelegatePair* delegate_pair = Details<DelegatePair>(details).ptr();
 
     // By not animating the removal/addition, this appears to be a replace.
-    RemoveInfoBar(delegates->first, false);
-    AddInfoBar(delegates->second, false);
+    RemoveInfoBar(delegate_pair->first, false);
+    AddInfoBar(delegate_pair->second, false);
   } else {
     NOTREACHED();
   }
@@ -156,7 +156,7 @@
     this_bar = reinterpret_cast<InfoBar*>(
         g_object_get_data(G_OBJECT(iter->data), kInfoBar));
 
-    if (this_bar->delegate() == delegate)
+    if ((delegate != NULL) && (this_bar->delegate() == delegate))
       break;
 
     if (!this_bar->IsClosing())