Fix chrome build inside the Chromium OS build chroot.

build/linux/system.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.
 
 {
   'conditions': [
     ['sysroot!=""', {
       'variables': {
         'pkg-config': './pkg-config-wrapper "<(sysroot)"',
       },
@@ skipping 240 matching lines @@
           'link_settings': {
             'libraries': [
               '-lselinux',
             ],
           },
       }]]
     },
     {
       'target_name': 'gnome-keyring',
       'type': 'settings',
-      'direct_dependent_settings': {
-        'cflags': [
-          '<!@(<(pkg-config) --cflags gnome-keyring-1)',
-        ],
-        'conditions': [
-          ['linux_link_gnome_keyring==0', {
-            'defines': ['DLOPEN_GNOME_KEYRING'],
-          }],
-        ],
-      },
       'conditions': [
-        ['linux_link_gnome_keyring!=0', {
-          'link_settings': {
-            'ldflags': [
-              '<!@(<(pkg-config) --libs-only-L --libs-only-other gnome-keyring-1)',
+        ['chromeos==0', {
+          'direct_dependent_settings': {
+            'cflags': [
+              '<!@(<(pkg-config) --cflags gnome-keyring-1)',
             ],
-            'libraries': [
-              '<!@(<(pkg-config) --libs-only-l gnome-keyring-1)',
+            'conditions': [
+              ['linux_link_gnome_keyring==0', {
+                'defines': ['DLOPEN_GNOME_KEYRING'],
+              }],
             ],
           },
-        }, {
-          'link_settings': {
-            'libraries': [
-              '-ldl',
-            ],
-          },
+          'conditions': [
+            ['linux_link_gnome_keyring!=0', {
+              'link_settings': {
+                'ldflags': [
+                  '<!@(<(pkg-config) --libs-only-L --libs-only-other gnome-keyring-1)',
+                ],
+                'libraries': [
+                  '<!@(<(pkg-config) --libs-only-l gnome-keyring-1)',
+                ],
+              },
+            }, {
+              'link_settings': {
+                'libraries': [
+                  '-ldl',
+                ],
+              },
+            }],
+          ],
         }],
       ],
     },
     {
       'target_name': 'dbus-glib',
       'type': 'settings',
       'direct_dependent_settings': {
         'cflags': [
           '<!@(<(pkg-config) --cflags dbus-glib-1)',
         ],
       },
       'link_settings': {
         'ldflags': [
           '<!@(<(pkg-config) --libs-only-L --libs-only-other dbus-glib-1)',
         ],
         'libraries': [
           '<!@(<(pkg-config) --libs-only-l dbus-glib-1)',
         ],
       },
     },
   ],
 }
 
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