Recognize data: URLs in Web entities.

libraries/entities-renderer/src/RenderableWebEntityItem.cpp

@@ -55,6 +55,7 @@ WebEntityRenderer::ContentType WebEntityRenderer::getContentType(const QString&
     const QUrl url(urlString);
     auto scheme = url.scheme();
     if (scheme == HIFI_URL_SCHEME_ABOUT || scheme == HIFI_URL_SCHEME_HTTP || scheme == HIFI_URL_SCHEME_HTTPS ||
+        scheme == URL_SCHEME_DATA ||
         urlString.toLower().endsWith(".htm") || urlString.toLower().endsWith(".html")) {
         return ContentType::HtmlContent;
     }

libraries/networking/src/NetworkingConstants.h

@@ -33,6 +33,7 @@ namespace NetworkingConstants {
 const QString HIFI_URL_SCHEME_ABOUT = "about";
 const QString URL_SCHEME_HIFI = "hifi";
 const QString URL_SCHEME_HIFIAPP = "hifiapp";
+const QString URL_SCHEME_DATA = "data";
 const QString URL_SCHEME_QRC = "qrc";
 const QString HIFI_URL_SCHEME_FILE = "file";
 const QString HIFI_URL_SCHEME_HTTP = "http";