Remove the compact nav flag and ensure it is always disabled. Note that the rest of the cnav code...

chrome/browser/ui/tabs/tab_menu_model.cc

 // Copyright (c) 2011 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/ui/tabs/tab_menu_model.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "grit/generated_resources.h"
@@ skipping 15 matching lines @@
 bool TabMenuModel::AreVerticalTabsEnabled() {
 #if defined(TOOLKIT_VIEWS) || defined(OS_MACOSX) || defined(OS_CHROMEOS)
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableVerticalTabs);
 #else
   return false;
 #endif
 }
 
 bool TabMenuModel::IsCompactNavigationModeEnabled() {
-#if defined(TOOLKIT_VIEWS)
-  return CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kEnableCompactNavigation);
-#else
+  // TODO(stevet): Completely remove this once we clean up the rest of the cnav
+  // code.
   return false;
-#endif
 }
 
 
 void TabMenuModel::Build(bool is_pinned) {
   AddItemWithStringId(TabStripModel::CommandNewTab, IDS_TAB_CXMENU_NEWTAB);
   AddSeparator();
   AddItemWithStringId(TabStripModel::CommandReload, IDS_TAB_CXMENU_RELOAD);
   AddItemWithStringId(TabStripModel::CommandDuplicate,
                       IDS_TAB_CXMENU_DUPLICATE);
   AddItemWithStringId(
@@ skipping 71 matching lines @@
   }
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableTabGroupsContextMenu)) {
     AddSeparator();
     AddItemWithStringId(TabStripModel::CommandSelectByDomain,
                         IDS_TAB_CXMENU_SELECT_BY_DOMAIN);
     AddItemWithStringId(TabStripModel::CommandSelectByOpener,
                         IDS_TAB_CXMENU_SELECT_BY_OPENER);
   }
 }