Attemp 2 at:

chrome/browser/autocomplete/autocomplete_edit_view_win.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/autocomplete/autocomplete_edit_view_win.h"
 
 #include <algorithm>
 #include <locale>
 #include <string>
 
@@ skipping 493 matching lines @@
   CHARRANGE selection;
   GetSelection(selection);
   GetStateAccessor()->SetProperty(tab->property_bag(),
       AutocompleteEditState(
           model_state,
           State(selection, saved_selection_for_focus_change_)));
 }
 
 void AutocompleteEditViewWin::Update(
     const TabContents* tab_for_state_restoring) {
-  // If we're switching to a tab with a collapsed toolbar, bail
-  // now, since we won't be showing the Omnibox anyway, and
-  // executing the code below just results in a flicker before
-  // the toolbar hides.
-  if (tab_for_state_restoring && tab_for_state_restoring->is_app())
-    return;
-
   const bool visibly_changed_permanent_text =
       model_->UpdatePermanentText(toolbar_model_->GetText());
 
   const ToolbarModel::SecurityLevel security_level =
       toolbar_model_->GetSecurityLevel();
   const bool changed_security_level = (security_level != security_level_);
 
   // Bail early when no visible state will actually change (prevents an
   // unnecessary ScopedFreeze, and thus UpdateWindow()).
   if (!changed_security_level && !visibly_changed_permanent_text &&
@@ skipping 1951 matching lines @@
 void AutocompleteEditViewWin::TrackMousePosition(MouseButton button,
                                                  const CPoint& point) {
   if (gaining_focus_.get()) {
     // This click is giving us focus, so we need to track how much the mouse
     // moves to see if it's a drag or just a click. Clicks should select all
     // the text.
     tracking_click_[button] = true;
     click_point_[button] = point;
   }
 }