Fixes to make GPU tests run in isolated mode.

chrome/gles2_conform_test.isolate

 # 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': [
+    'angle.isolate',
+  ],
   'conditions': [
     # TODO(kbr): add Android when these tests are run on those bots.
     ['OS=="linux" or OS=="mac" or OS=="win"', {
       'variables': {
         'command': [
           '<(PRODUCT_DIR)/gles2_conform_test<(EXECUTABLE_SUFFIX)',
         ],
         'isolate_dependency_tracked': [
           '<(PRODUCT_DIR)/gles2_conform_test<(EXECUTABLE_SUFFIX)',
           '../gpu/gles2_conform_support/gles2_conform_test_expectations.txt',
@@ skipping 15 matching lines @@
     }],
     # This no-op branch should not be necessary but seems to be.
     ['(OS=="linux" or OS=="mac" or OS=="win") and internal_gles2_conform_tests==0', {
       'variables': {
         'isolate_dependency_tracked': [
         ],
       },
     }],
   ],
 }