Update gyp files and DEPS for icu42

third_party/libxml/libxml.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"', {'os_include': 'linux'}],
       ['OS=="mac"', {'os_include': 'mac'}],
       ['OS=="win"', {'os_include': 'win32'}],
@@ skipping 140 matching lines @@
           ],
           'defines': [
             'LIBXML_STATIC',
           ],
           'include_dirs': [
             '<(os_include)',
             '<(os_include)/include',
             'include',
           ],
           'dependencies': [
-            '../icu38/icu38.gyp:icuuc',
+            '../icu/icu.gyp:icuuc',
             '../zlib/zlib.gyp:zlib',
           ],
           'export_dependent_settings': [
-            '../icu38/icu38.gyp:icuuc',
+            '../icu/icu.gyp:icuuc',
           ],
           'direct_dependent_settings': {
             'defines': [
               'LIBXML_STATIC',
             ],
             'include_dirs': [
               '<(os_include)/include',
               'include',
             ],
           },
           'conditions': [
             ['OS=="mac"', {'defines': ['_REENTRANT']}],
             ['OS=="win"', {
               'product_name': 'libxml2',
             }, {  # else: OS!="win"
               'product_name': 'xml2',
             }],
           ],
         }],
       ],
     },
     {
       'target_name': 'xmlcatalog',
       'type': 'executable',
       'sources': [
         'xmlcatalog.c',
+        'xmldummy_mac.cc',
       ],
       'include_dirs': [
         '<(os_include)',
       ],
       'dependencies': [
         'libxml',
       ],
       'conditions': [
         ['OS=="linux"', {
           'link_settings': {
             'libraries': [
               '-ldl',
               '-lm',
             ],
           },
         }],
       ],
     },
     {
       'target_name': 'xmllint',
       'type': 'executable',
       'sources': [
         'xmllint.c',
+        'xmldummy_mac.cc',
       ],
       'include_dirs': [
         '<(os_include)',
       ],
       'dependencies': [
         'libxml',
-        '../icu38/icu38.gyp:icuuc',
+        '../icu/icu.gyp:icuuc',
       ],
       'conditions': [
         ['OS=="linux"', {
           'link_settings': {
             'libraries': [
               '-ldl',
               '-lm',
             ],
           },
         }],
       ],
     },
   ],
 }