Implementation for switching between recently used tabs using ctrl tilde or quoteleft.

chrome/app/chrome_command_ids.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_APP_CHROME_COMMAND_IDS_H_
 #define CHROME_APP_CHROME_COMMAND_IDS_H_
 #pragma once
 
 // This file lists all the command IDs understood by e.g. the browser.
 // It is used by Windows RC files, Mac NIB files, and other platforms too.
@@ skipping 29 matching lines @@
 #define IDC_SELECT_PREVIOUS_TAB         34017
 #define IDC_SELECT_TAB_0                34018
 #define IDC_SELECT_TAB_1                34019
 #define IDC_SELECT_TAB_2                34020
 #define IDC_SELECT_TAB_3                34021
 #define IDC_SELECT_TAB_4                34022
 #define IDC_SELECT_TAB_5                34023
 #define IDC_SELECT_TAB_6                34024
 #define IDC_SELECT_TAB_7                34025
 #define IDC_SELECT_LAST_TAB             34026
-#define IDC_DUPLICATE_TAB               34027
-#define IDC_RESTORE_TAB                 34028
-#define IDC_SHOW_AS_TAB                 34029
-#define IDC_FULLSCREEN                  34030
-#define IDC_EXIT                        34031
-#define IDC_MOVE_TAB_NEXT               34032
-#define IDC_MOVE_TAB_PREVIOUS           34033
+#define IDC_SELECT_NEXT_MRU_TAB         34027
+#define IDC_DUPLICATE_TAB               34028
+#define IDC_RESTORE_TAB                 34029
+#define IDC_SHOW_AS_TAB                 34030
+#define IDC_FULLSCREEN                  34031
+#define IDC_EXIT                        34032
+#define IDC_MOVE_TAB_NEXT               34033
+#define IDC_MOVE_TAB_PREVIOUS           34034
 #define IDC_SEARCH                      34035
 #define IDC_TABPOSE                     34036
 #define IDC_DEBUG_FRAME_TOGGLE          34038
 #define IDC_PRESENTATION_MODE           34039
 
 // Page-related commands
 #define IDC_BOOKMARK_PAGE               35000
 #define IDC_BOOKMARK_ALL_TABS           35001
 #define IDC_VIEW_SOURCE                 35002
 #define IDC_PRINT                       35003
@@ skipping 243 matching lines @@
 
 // Protocol handler menu entries
 #define IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_FIRST     52000
 #define IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_LAST      52199
 #define IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_SETTINGS  52200
 
 // NOTE: The last valid command value is 57343 (0xDFFF)
 // See http://msdn.microsoft.com/en-us/library/t2zechd4(VS.71).aspx
 
 #endif  // CHROME_APP_CHROME_COMMAND_IDS_H_