Add tests for chromium.mac's Mac10.10 builder

This adds the tests which are green on chromium.fyi's Chromium Mac 10.10 builder.

BUG=449316

Review URL: https://codereview.chromium.org/1123213005

Cr-Commit-Position: refs/heads/master@{#329760}

testing/buildbot/chromium.mac.json

@@ -69,6 +69,159 @@
       }
     ]
   },
+  "Mac10.10 Tests": {
+    "gtest_tests": [
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "accessibility_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "app_list_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "base_unittests"
+      },
+      {
+        "test": "cacheinvalidation_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "cast_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "cc_unittests"
+      },
+      {
+        "test": "chromedriver_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "components_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "crypto_unittests"
+      },
+      {
+        "test": "extensions_unittests"
+      },
+      {
+        "test": "gcm_unit_tests"
+      },
+      {
+        "test": "google_apis_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "gpu_unittests"
+      },
+      {
+        "test": "jingle_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "media_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "message_center_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "midi_unittests"
+      },
+      {
+        "test": "mojo_common_unittests"
+      },
+      {
+        "test": "mojo_public_bindings_unittests"
+      },
+      {
+        "test": "mojo_public_environment_unittests"
+      },
+      {
+        "test": "mojo_public_system_unittests"
+      },
+      {
+        "test": "mojo_public_utility_unittests"
+      },
+      {
+        "test": "nacl_loader_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "net_unittests"
+      },
+      {
+        "test": "ppapi_unittests"
+      },
+      {
+        "test": "printing_unittests"
+      },
+      {
+        "test": "remoting_unittests"
+      },
+      {
+        "test": "skia_unittests"
+      },
+      {
+        "test": "sql_unittests"
+      },
+      {
+        "test": "sync_unit_tests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
+        "test": "ui_base_unittests"
+      },
+      {
+        "test": "url_unittests"
+      }
+    ],
+    "scripts": [
+      {
+        "name": "telemetry_unittests",
+        "script": "telemetry_unittests.py"
+      },
+      {
+        "name": "telemetry_perf_unittests",
+        "script": "telemetry_perf_unittests.py"
+      },
+      {
+        "name": "nacl_integration",
+        "script": "nacl_integration.py"
+      }
+    ]
+  },
   "Mac10.6 Tests": {
     "gtest_tests": [
       {