Add a gpu_unittests isolate.

chrome/chrome_tests.gypi

 # Copyright 2013 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.
 {
   'includes': [
     'js_unittest_vars.gypi',
   ],
   'targets': [
     {
       'target_name': 'interactive_ui_tests',
@@ skipping 2988 matching lines @@
                 '../tools/telemetry/telemetry.gyp:bitmaptools#host',
               ],
               'includes': [
                 '../build/isolate.gypi',
                 'telemetry_gpu_test.isolate',
               ],
               'sources': [
                 'telemetry_gpu_test.isolate',
               ],
             },
+            {
+              'target_name': 'gpu_unittests_run',
+              'type': 'none',
+              'dependencies': [
+                '../gpu/gpu.gyp:gpu_unittests',
+              ],
+              'includes': [
+                '../build/isolate.gypi',
+                'gpu_unittests.isolate',
+              ],
+              'sources': [
+                'gpu_unittests.isolate',
+              ],
+            },
           ],
           'conditions': [
             ['internal_gles2_conform_tests==1', {
               'targets': [
                 {
                   'target_name': 'gles2_conform_test_run',
                   'type': 'none',
                   'dependencies': [
                     '../gpu/gles2_conform_support/gles2_conform_test.gyp:gles2_conform_test',
                   ],
@@ skipping 29 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }