Push registration should read a "gcm_user_visible_only" key from the Manifest.

content/renderer/push_messaging_dispatcher.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/push_messaging_dispatcher.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/child/service_worker/web_service_worker_provider_impl.h"
 #include "content/common/push_messaging_messages.h"
 #include "content/renderer/manifest/manifest_manager.h"
@@ skipping 50 matching lines @@
   int service_worker_provider_id = static_cast<WebServiceWorkerProviderImpl*>(
                                        service_worker_provider)->provider_id();
 
   std::string sender_id = manifest.gcm_sender_id.is_null()
       ? std::string() : base::UTF16ToUTF8(manifest.gcm_sender_id.string());
   if (sender_id.empty()) {
     OnRegisterError(callbacks_id, PUSH_REGISTRATION_STATUS_NO_SENDER_ID);
     return;
   }
 
+  PushRegistrationParams params;
+  params.sender_id = manifest.gcm_sender_id.is_null()
+      ? std::string() : base::UTF16ToUTF8(manifest.gcm_sender_id.string());
+  params.user_visible_only = manifest.gcm_user_visible_only;
+  params.user_gesture =
+      blink::WebUserGestureIndicator::isProcessingUserGesture();
+
   Send(new PushMessagingHostMsg_Register(
       routing_id(),
       callbacks_id,
-      manifest.gcm_sender_id.is_null()
-          ? std::string()
-          : base::UTF16ToUTF8(manifest.gcm_sender_id.string()),
-      blink::WebUserGestureIndicator::isProcessingUserGesture(),
+      params,
       service_worker_provider_id));
 }
 
 void PushMessagingDispatcher::getPermissionStatus(
     blink::WebPushPermissionStatusCallback* callback,
     blink::WebServiceWorkerProvider* service_worker_provider) {
   DCHECK(callback);
   int permission_callback_id = permission_check_callbacks_.Add(callback);
   int service_worker_provider_id = static_cast<WebServiceWorkerProviderImpl*>(
                                        service_worker_provider)->provider_id();
@@ skipping 42 matching lines @@
 
 void PushMessagingDispatcher::OnPermissionStatusFailure(int32 callback_id) {
   blink::WebPushPermissionStatusCallback* callback =
       permission_check_callbacks_.Lookup(callback_id);
   DCHECK(callback);
   callback->onError();
   permission_check_callbacks_.Remove(callback_id);
 }
 
 }  // namespace content