Update from https://crrev.com/312398

gpu/gpu.gyp

 # 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.
 
 {
   'variables': {
     'nacl_win64_target': 0,
   },
   'includes': [
     'gpu_common.gypi',
@@ skipping 655 matching lines @@
             '../third_party/angle/build/common_defines.gypi',
             '../third_party/angle/tests/angle_end2end_tests.gypi',
           ],
           'sources':
           [
             'angle_end2end_tests_main.cc',
           ],
         },
       ],
     }],
+    ['test_isolation_mode != "noop"', {
+      'targets': [
+        {
+          'target_name': 'gpu_unittests_run',
+          'type': 'none',
+          'dependencies': [
+            'gpu_unittests',
+          ],
+          'includes': [
+            '../build/isolate.gypi',
+          ],
+          'sources': [
+            'gpu_unittests.isolate',
+          ],
+        },
+      ],
+    }],
   ],
 }