Make Web Push use InstanceID tokens instead of GCM registrations

chrome/android/BUILD.gn

Index: chrome/android/BUILD.gn
diff --git a/chrome/android/BUILD.gn b/chrome/android/BUILD.gn
index 024727c113705b335592b03b6c03e6655b9fe03d..baa906cd10016ed40db9bf54641e0fba94c9485e 100644
--- a/chrome/android/BUILD.gn
+++ b/chrome/android/BUILD.gn
@@ -360,6 +360,7 @@ android_library("chrome_test_java") {
     "//components/bookmarks/common/android:bookmarks_java",
     "//components/dom_distiller/android:dom_distiller_core_java",
     "//components/gcm_driver/android:gcm_driver_java",
+    "//components/gcm_driver/instance_id/android:instance_id_driver_java",
     "//components/invalidation/impl:java",
     "//components/invalidation/impl:javatests",
     "//components/navigation_interception/android:navigation_interception_java",