link with validator_ragel only in standalone binaries

src/trusted/service_runtime/arch/x86/service_runtime_x86.gyp

 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'includes': [
     '../../../../../build/common.gypi',
   ],
   'target_defaults': {
     'variables':{
       'target_base': 'none',
     },
     'target_conditions': [
       ['target_base=="srt_x86_cmn"', {
         'sources': [
           'nacl_ldt_x86.c',
         ],
         'include_dirs': [
           '<(INTERMEDIATE_DIR)',
           '<(SHARED_INTERMEDIATE_DIR)',
         ],
       }],
     ],
   },
+  # For standalone binaries (nacl_standalone=1) we link validator_ragel in
+  # addition to the main validator for testing. For Chromium we avoid this
+  # dependency to keep download size to a minimum. TODO(pasko): eliminate the
+  # difference when validator_ragel is proven to allow a subset of what the
+  # current validator allows.
   'targets': [
     {
       'target_name': 'service_runtime_x86_common',
       'type': 'static_library',
       'variables': {
         'target_base': 'srt_x86_cmn',
       },
       'include_dirs': [
         '<(SHARED_INTERMEDIATE_DIR)',
       ],
       'conditions': [
         ['target_arch=="ia32"', {
           'dependencies': [
             '<(DEPTH)/native_client/src/trusted/validator/x86/32/validator_x86_32.gyp:ncvalidate_x86_32',
+          ],
+        }],
+        ['nacl_standalone==1 and target_arch=="ia32"', {
+          'dependencies': [
             '<(DEPTH)/native_client/src/trusted/validator_ragel/dfa_validator_x86_32.gyp:dfa_validate_x86_32',
           ],
         }],
         ['OS!="win" and target_arch=="x64"', {
           'dependencies': [
             '<(DEPTH)/native_client/src/trusted/validator/x86/64/validator_x86_64.gyp:ncvalidate_x86_64',
+          ],
+        }],
+        ['nacl_standalone==1 and OS!="win" and target_arch=="x64"', {
+          'dependencies': [
             '<(DEPTH)/native_client/src/trusted/validator_ragel/dfa_validator_x86_64.gyp:dfa_validate_x86_64',
           ],
         }],
       ],
     },
   ],
   'conditions': [
     ['OS=="win"', {
       'targets': [
         {
           'target_name': 'service_runtime_x86_common64',
           'type': 'static_library',
           'variables': {
             'target_base': 'srt_x86_cmn',
             'win_target': 'x64',
           },
           'dependencies': [
             '<(DEPTH)/native_client/src/trusted/validator/x86/64/validator_x86_64.gyp:ncvalidate_x86_64',
-            '<(DEPTH)/native_client/src/trusted/validator_ragel/dfa_validator_x86_64.gyp:dfa_validate_x86_64',
+          ],
+          'conditions': [
+            ['nacl_standalone==1', {
+              'dependencies': [
+                '<(DEPTH)/native_client/src/trusted/validator_ragel/dfa_validator_x86_64.gyp:dfa_validate_x86_64',
+              ],
+            }],
           ],
         },
       ],
     }],
   ],
 }