Implement receiving side of web notification inline replies

content/browser/notifications/notification_database_data_conversions.cc

Index: content/browser/notifications/notification_database_data_conversions.cc
diff --git a/content/browser/notifications/notification_database_data_conversions.cc b/content/browser/notifications/notification_database_data_conversions.cc
index 11cdd48705b055d8b02b0b6099ceb907562e4936..381f0d3ef9c24eb83ade721a6a2a4853ca972310 100644
--- a/content/browser/notifications/notification_database_data_conversions.cc
+++ b/content/browser/notifications/notification_database_data_conversions.cc
@@ -73,9 +73,25 @@ bool DeserializeNotificationDatabaseData(const std::string& input,
 
   for (const auto& payload_action : payload.actions()) {
     PlatformNotificationAction action;
+
+    switch (payload_action.type()) {
+      case NotificationDatabaseDataProto::NotificationAction::BUTTON:
+        action.type = PLATFORM_NOTIFICATION_ACTION_TYPE_BUTTON;
+        break;
+      case NotificationDatabaseDataProto::NotificationAction::TEXT:
+        action.type = PLATFORM_NOTIFICATION_ACTION_TYPE_TEXT;
+        break;
+      default:
+        NOTREACHED();
+    }
+
     action.action = payload_action.action();
     action.title = base::UTF8ToUTF16(payload_action.title());
     action.icon = GURL(payload_action.icon());
+    if (payload_action.has_placeholder()) {
+      action.placeholder = base::NullableString16(
+          base::UTF8ToUTF16(payload_action.placeholder()), false);
+    }
     notification_data->actions.push_back(action);
   }
 
@@ -130,9 +146,28 @@ bool SerializeNotificationDatabaseData(const NotificationDatabaseData& input,
   for (const PlatformNotificationAction& action : notification_data.actions) {
     NotificationDatabaseDataProto::NotificationAction* payload_action =
         payload->add_actions();
+
+    switch (action.type) {
+      case PLATFORM_NOTIFICATION_ACTION_TYPE_BUTTON:
+        payload_action->set_type(
+            NotificationDatabaseDataProto::NotificationAction::BUTTON);
+        break;
+      case PLATFORM_NOTIFICATION_ACTION_TYPE_TEXT:
+        payload_action->set_type(
+            NotificationDatabaseDataProto::NotificationAction::TEXT);
+        break;
+      default:
+        NOTREACHED() << "Unknown action type: " << action.type;
+    }
+
     payload_action->set_action(action.action);
     payload_action->set_title(base::UTF16ToUTF8(action.title));
     payload_action->set_icon(action.icon.spec());
+
+    if (!action.placeholder.is_null()) {
+      payload_action->set_placeholder(
+          base::UTF16ToUTF8(action.placeholder.string()));
+    }
   }
 
   NotificationDatabaseDataProto message;