Ladybird: Add new WebContent source file for WebDriver endpoints

Author: https://github.com/trflynn89
Commit: 5d0ab45ff4
Pull-request: https://github.com/SerenityOS/serenity/pull/16583
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/awesomekling ✅
Reviewed-by: https://github.com/linusg

Ladybird/WebContent/CMakeLists.txt

@@ -5,6 +5,7 @@ set(WEBCONTENT_SOURCES
     ${WEBCONTENT_SOURCE_DIR}/ConsoleGlobalObject.cpp
     ${WEBCONTENT_SOURCE_DIR}/PageHost.cpp
     ${WEBCONTENT_SOURCE_DIR}/WebContentConsoleClient.cpp
+    ${WEBCONTENT_SOURCE_DIR}/WebDriverConnection.cpp
     ../EventLoopPluginQt.cpp
     ../FontPluginQt.cpp
     ../ImageCodecPluginLadybird.cpp