Make USE_OPENSSL and USE_NSS mutually exclusive

build/all.gyp

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'All',
       'type': 'none',
       'xcode_create_dependents_test_runner': 1,
       'dependencies': [
         '../app/app.gyp:*',
         '../base/base.gyp:*',
         '../chrome/browser/sync/tools/sync_tools.gyp:*',
         '../chrome/chrome.gyp:*',
         '../gfx/gfx.gyp:*',
         '../gpu/gpu.gyp:*',
         '../gpu/demos/demos.gyp:*',
         '../ipc/ipc.gyp:*',
         '../jingle/jingle.gyp:*',
         '../media/media.gyp:*',
         '../net/net.gyp:*',
-        '../net/third_party/nss/ssl.gyp:*',
         '../printing/printing.gyp:*',
         '../sdch/sdch.gyp:*',
         '../skia/skia.gyp:*',
         '../testing/gmock.gyp:*',
         '../testing/gtest.gyp:*',
         '../third_party/bzip2/bzip2.gyp:*',
         '../third_party/cacheinvalidation/cacheinvalidation.gyp:*',
         '../third_party/cld/cld.gyp:*',
         '../third_party/codesighs/codesighs.gyp:*',
         '../third_party/ffmpeg/ffmpeg.gyp:*',
@@ skipping 93 matching lines @@
         ['chromeos==1', {
           'dependencies': [
             '../chrome/browser/chromeos/input_method/candidate_window.gyp:*',
           ],
         }],
         ['remoting==1', {
           'dependencies': [
             '../remoting/remoting.gyp:*',
           ],
         }],
+        ['use_openssl!=1', {
+          'dependencies': [
+            '../net/third_party/nss/ssl.gyp:*',
+          ],
+        }],
       ],
     },
   ],
   'conditions': [
     ['OS=="mac"', {
       'targets': [
         {
           # Target to build everything plus the dmg.  We don't put the dmg
           # in the All target because developers really don't need it.
           'target_name': 'all_and_dmg',
@@ skipping 215 matching lines @@
       ],  # targets
     }], # "chromeos==1"
   ], # conditions
 }
 
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