Route through the BGTaskScheduler when receiving a message for the GCM Driver

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 770e11d390b8fcd540cfcd3c7f0296280d9650e2..4f74778b391982d1ef684af7a483a6c27607e639 100644
--- a/testing/buildbot/chromium.linux.json
+++ b/testing/buildbot/chromium.linux.json
@@ -1201,6 +1201,9 @@
         "test": "chrome_junit_tests"
       },
       {
+        "test": "components_gcm_driver_junit_tests"
+      },
+      {
         "test": "components_invalidation_impl_junit_tests"
       },
       {
@@ -2445,6 +2448,9 @@
         "test": "chrome_junit_tests"
       },
       {
+        "test": "components_gcm_driver_junit_tests"
+      },
+      {
         "test": "components_invalidation_impl_junit_tests"
       },
       {