--- a/components/gcm_driver/gcm_channel_status_request.cc
+++ b/components/gcm_driver/gcm_channel_status_request.cc
@@ -24,8 +24,6 @@ namespace gcm {
 
 namespace {
 
-const char kRequestContentType[] = "application/octet-stream";
-const char kGCMChannelTag[] = "gcm_channel";
 const int kDefaultPollIntervalSeconds = 60 * 60;  // 60 minutes.
 const int kMinPollIntervalSeconds = 30 * 60;  // 30 minutes.
 
@@ -57,73 +55,8 @@ int GCMChannelStatusRequest::min_poll_in
 }
 
 void GCMChannelStatusRequest::Start() {
-  // url_loader_factory_ can be null for tests.
-  if (!url_loader_factory_)
-    return;
-
-  DCHECK(!simple_url_loader_);
-
-  GURL request_url(channel_status_request_url_);
-
-  sync_pb::ExperimentStatusRequest proto_data;
-  proto_data.add_experiment_name(kGCMChannelTag);
-  std::string upload_data;
-  if (!proto_data.SerializeToString(&upload_data)) {
-     NOTREACHED();
-  }
-
-  net::NetworkTrafficAnnotationTag traffic_annotation =
-      net::DefineNetworkTrafficAnnotation("gcm_channel_status_request", R"(
-        semantics {
-          sender: "GCM Driver"
-          description:
-            "Google Chrome interacts with Google Cloud Messaging to receive "
-            "push messages for various browser features, as well as on behalf "
-            "of websites and extensions. The channel status request "
-            "periodically confirms with Google servers whether the feature "
-            "should be enabled."
-          trigger:
-            "Periodically when Chrome has established an active Google Cloud "
-            "Messaging subscription. The first request will be issued a minute "
-            "after the first subscription activates. Subsequent requests will "
-            "be issued each hour with a jitter of 15 minutes. Google can "
-            "adjust this interval when it deems necessary."
-          data:
-            "A user agent string containing the Chrome version, channel and "
-            "platform will be sent to the server. No user identifier is sent "
-            "along with the request."
-          destination: GOOGLE_OWNED_SERVICE
-        }
-        policy {
-          cookies_allowed: NO
-          setting:
-            "Support for interacting with Google Cloud Messaging is enabled by "
-            "default, and there is no configuration option to completely "
-            "disable it. Websites wishing to receive push messages must "
-            "acquire express permission from the user for the 'Notification' "
-            "permission."
-          policy_exception_justification:
-            "Not implemented, considered not useful."
-        })");
-
-  auto resource_request = std::make_unique<network::ResourceRequest>();
-
-  resource_request->url = request_url;
-  resource_request->load_flags =
-      net::LOAD_DO_NOT_SEND_COOKIES | net::LOAD_DO_NOT_SAVE_COOKIES;
-  resource_request->method = "POST";
-  resource_request->headers.SetHeader(net::HttpRequestHeaders::kUserAgent,
-                                      user_agent_);
-  // TODO(https://crbug.com/808498): Re-add data use measurement once
-  // SimpleURLLoader supports it.
-  // ID=data_use_measurement::DataUseUserData::GCM_DRIVER
-  simple_url_loader_ = network::SimpleURLLoader::Create(
-      std::move(resource_request), traffic_annotation);
-  simple_url_loader_->AttachStringForUpload(upload_data, kRequestContentType);
-  simple_url_loader_->DownloadToStringOfUnboundedSizeUntilCrashAndDie(
-      url_loader_factory_.get(),
-      base::BindOnce(&GCMChannelStatusRequest::OnSimpleLoaderComplete,
-                     base::Unretained(this)));
+  // Simulate an empty response and disable GCM.
+  callback_.Run(false, false, 0);
 }
 
 void GCMChannelStatusRequest::OnSimpleLoaderComplete(