CompactNavigationBar for toolkit views build, with some design change per Cole's request.

chrome/browser/autocomplete/autocomplete_edit.h

Index: chrome/browser/autocomplete/autocomplete_edit.h
diff --git a/chrome/browser/autocomplete/autocomplete_edit.h b/chrome/browser/autocomplete/autocomplete_edit.h
index 6a8c6d6662ed21e7312443292ef2e65367ba4140..741b8a0e77e9f947fb1ed9c98aafa67f1edbef37 100644
--- a/chrome/browser/autocomplete/autocomplete_edit.h
+++ b/chrome/browser/autocomplete/autocomplete_edit.h
@@ -47,6 +47,9 @@ class AutocompleteEditController {
   // the edit is guaranteed to be showing the permanent text.
   virtual void OnInputInProgress(bool in_progress) = 0;
 
+  // Called whenever the autocomplete edit is losing focus.
+  virtual void OnKillFocus() = 0;
+
   // Called whenever the autocomplete edit gets focused.
   virtual void OnSetFocus() = 0;