Roll swarming_client @ f9538eebbc82bdfed4768cde388c8ae8a1ac3209.

build/isolate.gypi

 # Copyright (c) 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.
 
 # This file is meant to be included into a target to provide a rule
 # to "build" .isolate files into a .isolated file.
 #
 # To use this, create a gyp target with the following form:
 # 'conditions': [
 #   ['test_isolation_mode != "noop"', {
@@ skipping 87 matching lines @@
       ],
       'conditions': [
         # Note: When gyp merges lists, it appends them to the old value.
         ['OS=="mac"', {
           # <(mac_product_name) can contain a space, so don't use FOO=<(FOO)
           # form.
           'action': [
             '--extra-variable', 'mac_product_name', '<(mac_product_name)',
           ],
         }],
-        ["test_isolation_outdir==''", {
-          # GYP will eliminate duplicate arguments so '<(PRODUCT_DIR)' cannot
-          # be provided twice. To work around this behavior, append '/'.
-          #
-          # Also have a space after <(PRODUCT_DIR) or visual studio will
-          # escape the argument wrappping " with the \ and merge it into
-          # the following arguments.
-          'action': [ '--outdir', '<(PRODUCT_DIR)/ ' ],
-        }, {
-          'action': [ '--outdir', '<(test_isolation_outdir)' ],
+        ["test_isolation_outdir!=''", {
+          'action': [ '--isolate-server', '<(test_isolation_outdir)' ],
         }],
         ['test_isolation_fail_on_missing == 0', {
-            'action': ['--ignore_broken_items'],
-          },
-        ],
+          'action': ['--ignore_broken_items'],
+        }],
       ],
     },
   ],
 }