Add angle_end2end_tests target and isolate.

chrome/angle_end2end_tests.isolate

 # Copyright 2014 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',
+    'angle.isolate',
   ],
   'conditions': [
-    ['OS=="android" or OS=="linux" or OS=="mac" or OS=="win"', {
+    ['OS=="win"', {
       'variables': {
         'command': [
-          '<(PRODUCT_DIR)/gpu_unittests<(EXECUTABLE_SUFFIX)',
+          '<(PRODUCT_DIR)/angle_end2end_tests<(EXECUTABLE_SUFFIX)',
         ],
         'files': [
-          '<(PRODUCT_DIR)/gpu_unittests<(EXECUTABLE_SUFFIX)',
+          '<(PRODUCT_DIR)/angle_end2end_tests<(EXECUTABLE_SUFFIX)',
         ],
       },
     }],
   ],
 }