Disable WebEngineContext dump by default

Keep it enabled for simplebrowser and quicknanobrowser examples. Also
add documentation how to enable it.

[ChangeLog][WebEngineCore] Disabled WebEngineContext dump by default.

Fixes: QTBUG-109040
Pick-to: 6.5
Change-Id: I4bd3c0e9eb532771f9b455863324e9dacaae884a
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

2 files changed, 4 insertions, 0 deletions

diff --git a/examples/webenginequick/quicknanobrowser/main.cpp b/examples/webenginequick/quicknanobrowser/main.cpp
index 519cfd089..850b8c443 100644
--- a/examples/webenginequick/quicknanobrowser/main.cpp
+++ b/examples/webenginequick/quicknanobrowser/main.cpp
@@ -12,6 +12,7 @@
 
 #include <QtCore/QCommandLineParser>
 #include <QtCore/QCommandLineOption>
+#include <QtCore/QLoggingCategory>
 
 static QUrl startupUrl(const QCommandLineParser &parser)
 {
@@ -31,6 +32,7 @@ int main(int argc, char **argv)
     QtWebEngineQuick::initialize();
 
     QGuiApplication app(argc, argv);
+    QLoggingCategory::setFilterRules(QStringLiteral("qt.webenginecontext.debug=true"));
 
     QCommandLineParser parser;
     parser.addHelpOption();
diff --git a/examples/webenginewidgets/simplebrowser/main.cpp b/examples/webenginewidgets/simplebrowser/main.cpp
index 477a8171b..b945ef27e 100644
--- a/examples/webenginewidgets/simplebrowser/main.cpp
+++ b/examples/webenginewidgets/simplebrowser/main.cpp
@@ -5,6 +5,7 @@
 #include "browserwindow.h"
 #include "tabwidget.h"
 #include <QApplication>
+#include <QLoggingCategory>
 #include <QWebEngineProfile>
 #include <QWebEngineSettings>
 
@@ -24,6 +25,7 @@ int main(int argc, char **argv)
 
     QApplication app(argc, argv);
     app.setWindowIcon(QIcon(QStringLiteral(":AppLogoColor.png")));
+    QLoggingCategory::setFilterRules(QStringLiteral("qt.webenginecontext.debug=true"));
 
     QWebEngineProfile::defaultProfile()->settings()->setAttribute(QWebEngineSettings::PluginsEnabled, true);
     QWebEngineProfile::defaultProfile()->settings()->setAttribute(QWebEngineSettings::DnsPrefetchEnabled, true);