Try to add more sanity checking to help track down a crash....

chrome/browser/autocomplete/autocomplete_popup_model.cc

Index: chrome/browser/autocomplete/autocomplete_popup_model.cc
===================================================================
--- chrome/browser/autocomplete/autocomplete_popup_model.cc	(revision 30836)
+++ chrome/browser/autocomplete/autocomplete_popup_model.cc	(working copy)
@@ -175,7 +175,12 @@
     // If there are no results, the popup should be closed (so we should have
     // failed the CHECK above), and URLsForDefaultMatch() should have been
     // called instead.
-    CHECK(!result->empty());
+    if (result->empty()) {
+      // We're going to checkfail, but first see whether
+      // controller_->latest_result() is actually in sync with |result|.
+      CHECK(controller_->latest_result().empty());
+      CHECK(FALSE);

[sky, 2009/11/04 00:27:47]

nit: FALSE -> false

+    }
     CHECK(selected_line_ < result->size());
     match = result->begin() + selected_line_;
   }