linux: remove use_system_libxslt

third_party/libxslt/libxslt.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': {
     'conditions': [
       ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
         'os_include': 'linux'
       }],
       ['OS=="mac"', {'os_include': 'mac'}],
       ['OS=="win"', {'os_include': 'win32'}],
     ],
-    'use_system_libxslt%': 0,
+    # We used to have a separate flag for using the system
+    # libxslt, but it seems mixing Chrome libxml and system
+    # libxslt causes crashes that nobody has had time to diagnose.
+    # So just put them both behind the same flag for now.
+    'use_system_libxml%': 0,
   },
   'targets': [
     {
       'target_name': 'libxslt',
       'conditions': [
-        ['OS=="linux" and use_system_libxslt', {
+        ['OS=="linux" and use_system_libxml', {
           'type': 'settings',
           'direct_dependent_settings': {
             'cflags': [
               '<!@(pkg-config --cflags libxslt)',
             ],
           },
           'link_settings': {
             'ldflags': [
               '<!@(pkg-config --libs-only-L --libs-only-other libxslt)',
             ],
             'libraries': [
               '<!@(pkg-config --libs-only-l libxslt)',
             ],
           },
-        }, { # else: OS != "linux" or ! use_system_libxslt
+        }, { # else: OS != "linux" or ! use_system_libxml
           'type': '<(library)',
           'msvs_guid': 'FC0E1FD0-5DD7-4041-A1C9-CD3C376E4EED',
           'sources': [
             'libxslt/attributes.c',
             'libxslt/attributes.h',
             'libxslt/attrvt.c',
             'libxslt/documents.c',
             'libxslt/documents.h',
             'libxslt/extensions.c',
             'libxslt/extensions.h',
@@ skipping 64 matching lines @@
       ],
     },
   ],
 }
 
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