Update .isolate files for linux_chromeos.

chrome/sync_integration_tests.isolate

 # Copyright 2012 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': [
     ['OS=="linux"', {
       'variables': {
         'command': [
           '../testing/xvfb.py',
           '<(PRODUCT_DIR)',
@@ skipping 54 matching lines @@
       },
     }],
     ['OS=="win"', {
       'variables': {
         'isolate_dependency_tracked': [
           '<(PRODUCT_DIR)/chrome_elf.dll',
           '<(PRODUCT_DIR)/ffmpegsumo.dll',
         ],
       },
     }],
+    ['chromeos==1', {
+      'variables': {
+        'isolate_dependency_tracked': [
+          '<(PRODUCT_DIR)/libexif.so',
+        ],
+      },
+    }],
   ],
   'includes': [
     '../third_party/icu/icu.isolate',
   ],
 }