Add support for registerProtocolHandler

Extend initialization of URLRequestContextGetterQt to create a
content::ProtocolHandlerRegistry for each content::BrowserContext and add the
registry's URL request interceptor to the front of the interceptor chain.

Implement methods in WebContentsDelegateQt to add/remove protocol handlers
to/from the ProtocolHandlerRegistry.

Add permission request signal and classes for core, quick and widgets.

Add widgets autotest.

Add signal handlers to quicknanobrowser and simplebrowser.

Task-number: QTBUG-62783
Change-Id: I808e7eb9a1cb4d7216686deed4895de14fe46310
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 1 insertions, 0 deletions

diff --git a/src/webenginewidgets/api/qwebenginepage_p.h b/src/webenginewidgets/api/qwebenginepage_p.h
index 301028e39..61092fa6a 100644
--- a/src/webenginewidgets/api/qwebenginepage_p.h
+++ b/src/webenginewidgets/api/qwebenginepage_p.h
@@ -130,6 +130,7 @@ public:
     void runGeolocationPermissionRequest(const QUrl &securityOrigin) override;
     void runMouseLockPermissionRequest(const QUrl &securityOrigin) override;
     void runQuotaPermissionRequest(QSharedPointer<QtWebEngineCore::QuotaPermissionController>) override;
+    void runRegisterProtocolHandlerPermissionRequest(QSharedPointer<QtWebEngineCore::RegisterProtocolHandlerPermissionController>) override;
     QObject *accessibilityParentObject() override;
     QtWebEngineCore::WebEngineSettings *webEngineSettings() const override;
     void allowCertificateError(const QSharedPointer<CertificateErrorController> &controller) override;