Build Chromium Mojo unittests on CQ and main waterfall GN bots.

testing/buildbot/chromium.linux.json

Index: testing/buildbot/chromium.linux.json
diff --git a/testing/buildbot/chromium.linux.json b/testing/buildbot/chromium.linux.json
index 88acb35a964a7a85da662dee66f51f6c99546bf8..1166209fea480113d6e254ab526e9e6e0fd8cc3d 100644
--- a/testing/buildbot/chromium.linux.json
+++ b/testing/buildbot/chromium.linux.json
@@ -132,6 +132,7 @@
       "gn_unittests",
       "google_apis_unittests",
       "gpu_unittests",
+      "html_viewer_unittests",
       "interactive_ui_tests",
       "ipc_mojo_unittests",
       "ipc_tests",
@@ -142,6 +143,9 @@
       "mojo_public_environment_unittests",
       "mojo_public_system_unittests",
       "mojo_public_utility_unittests",
+      "mojo_runner_unittests",
+      "mojo_shell_unittests",
+      "mojo_surfaces_lib_unittests",
       "mojo_system_unittests",
       "nacl_loader_unittests",
       "net_unittests",
@@ -157,6 +161,7 @@
       "ui_touch_selection_unittests",
       "unit_tests",
       "url_unittests",
+      "view_manager_service_unittests",
       "views_unittests",
       "wm_unittests"
     ],
@@ -202,6 +207,7 @@
       "mojo_public_environment_unittests",
       "mojo_public_system_unittests",
       "mojo_public_utility_unittests",
+      "mojo_surfaces_lib_unittests",
       "mojo_system_unittests",
       "net_unittests",
       "ppapi_unittests",