Add Copy URL option to Omnibox context menu when URL is replaced by Instant Extended.

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_
 
 // 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 109 matching lines @@
 #define IDC_ENCODING_ISO88596           35532
 #define IDC_ENCODING_WINDOWS1256        35533
 #define IDC_ENCODING_ISO88598           35534
 #define IDC_ENCODING_WINDOWS1255        35535
 #define IDC_ENCODING_WINDOWS1258        35536
 #define IDC_ENCODING_ISO88598I          35537
 
 // Clipboard commands
 #define IDC_CUT                         36000
 #define IDC_COPY                        36001
+#define IDC_COPY_URL                    36002
 #define IDC_PASTE                       36003
 #define IDC_EDIT_MENU                   36004
 
 // Find-in-page
 #define IDC_FIND                        37000
 #define IDC_FIND_NEXT                   37001
 #define IDC_FIND_PREVIOUS               37002
 
 // Zoom
 #define IDC_ZOOM_MENU                   38000
@@ skipping 185 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_