Revert of Swarm components_unittests.

components/components_tests.gyp

Index: components/components_tests.gyp
diff --git a/components/components_tests.gyp b/components/components_tests.gyp
index e7037911de372e5a3dc47bc947d2033c4eb65831..081ab7a6e0c06e8977d0166b43a6f7725e95477f 100644
--- a/components/components_tests.gyp
+++ b/components/components_tests.gyp
@@ -861,12 +861,12 @@
               ],
             }],
             ['OS=="linux" and component=="shared_library" and use_allocator!="none"', {
-              'dependencies': [
+            'dependencies': [
                 '<(DEPTH)/base/allocator/allocator.gyp:allocator',
-              ],
-              'link_settings': {
+            ],
+            'link_settings': {
                 'ldflags': ['-rdynamic'],
-              },
+            },
             }],
             ['configuration_policy==1', {
               'dependencies': [
@@ -1127,22 +1127,5 @@
         },
       ],
     }],
-    ['test_isolation_mode != "noop"', {
-      'targets': [
-        {
-          'target_name': 'components_unittests_run',
-          'type': 'none',
-          'dependencies': [
-            'components_unittests',
-          ],
-          'includes': [
-            '../build/isolate.gypi',
-          ],
-          'sources': [
-            'components_unittests.isolate',
-          ],
-        },
-      ],
-    }],
   ],
 }