Add ANGLE Platform implementation.

components/components_browsertests.isolate

 # Copyright 2015 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': [
-    '../base/base.isolate',
-    '../gin/v8.isolate',
-  ],
   'conditions': [
     ['use_x11==0', {
       'variables': {
         'command': [
           '../testing/test_env.py',
           '<(PRODUCT_DIR)/components_browsertests<(EXECUTABLE_SUFFIX)',
           '--brave-new-test-launcher',
           '--test-launcher-bot-mode',
           '--asan=<(asan)',
           '--msan=<(msan)',
@@ skipping 48 matching lines @@
       'variables': {
         'files': [
           '<(PRODUCT_DIR)/Content Shell Framework.framework.dSYM/',
           '<(PRODUCT_DIR)/Content Shell Helper.app.dSYM/',
           '<(PRODUCT_DIR)/Content Shell.app.dSYM/',
           '<(PRODUCT_DIR)/components_browsertests.dSYM/',
         ],
       },
     }],
   ],
+  'includes': [
+    '../base/base.isolate',
+    '../gin/v8.isolate',
+    '../third_party/angle/angle.isolate',
+  ],
 }