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, 2 insertions, 0 deletions

diff --git a/src/webenginewidgets/api/qwebenginepage.h b/src/webenginewidgets/api/qwebenginepage.h
index 7ce72258b..d716765fe 100644
--- a/src/webenginewidgets/api/qwebenginepage.h
+++ b/src/webenginewidgets/api/qwebenginepage.h
@@ -66,6 +66,7 @@ class QWebEnginePage;
 class QWebEnginePagePrivate;
 class QWebEngineProfile;
 class QWebEngineQuotaPermissionRequest;
+class QWebEngineRegisterProtocolHandlerPermissionRequest;
 class QWebEngineScriptCollection;
 class QWebEngineSettings;
 
@@ -338,6 +339,7 @@ Q_SIGNALS:
     void featurePermissionRequestCanceled(const QUrl &securityOrigin, QWebEnginePage::Feature feature);
     void fullScreenRequested(QWebEngineFullScreenRequest fullScreenRequest);
     void quotaPermissionRequested(QWebEngineQuotaPermissionRequest quotaPermissionRequest);
+    void registerProtocolHandlerPermissionRequested(QWebEngineRegisterProtocolHandlerPermissionRequest request);
 
     void authenticationRequired(const QUrl &requestUrl, QAuthenticator *authenticator);
     void proxyAuthenticationRequired(const QUrl &requestUrl, QAuthenticator *authenticator, const QString &proxyHost);