Verify signed .crx extension installations

chrome/chrome.gyp

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     'chromium_code': 1,
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
     # the link of the actual chrome (or chromium) executable on
@@ skipping 1626 matching lines @@
             'CHROME_V8',
           ],
         }],
         ['OS=="linux"', {
           'dependencies': [
             # Temporarily disabled while we figure some stuff out.
             # http://code.google.com/p/chromium/issues/detail?id=12351
             # '../build/linux/system.gyp:dbus-glib',
             # '../build/linux/system.gyp:gnome-keyring',
             '../build/linux/system.gyp:gtk',
+            '../build/linux/system.gyp:nss',
           ],
           'sources!': [
             'browser/extensions/extension_shelf.cc',
             'browser/extensions/extension_shelf.h',
             'browser/extensions/extension_view.cc',
             'browser/extensions/extension_view.h',
                     # Windows-specific files.
             'browser/password_manager/password_store_win.cc',
             'browser/password_manager/password_store_win.h',
           ],
@@ skipping 2954 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],
   ],  # 'conditions'
 }