Make Web Push use InstanceID tokens instead of GCM registrations

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index 079d7bc3d258aa170925559b4928189c6a526611..936a7b1d47e66de68db24dcbc60ee7572a6962d2 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -1669,6 +1669,8 @@ test("unit_tests") {
     deps += [
       ":unit_tests_java",
       "//components/offline_pages:test_support",
+      "//content/public/test/android:content_java_test_support",
+      "//content/test:test_support",
       "//v8:v8_external_startup_data_assets",
       google_play_services_resources,
     ]