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/webengine/plugin/plugin.cpp b/src/webengine/plugin/plugin.cpp
index 5f9d16158..a9f406d49 100644
--- a/src/webengine/plugin/plugin.cpp
+++ b/src/webengine/plugin/plugin.cpp
@@ -139,6 +139,8 @@ public:
                                                                          msgUncreatableType("FormValidationMessageRequest"));
         qmlRegisterUncreatableType<QQuickWebEngineQuotaPermissionRequest>(uri, 1, 7, "QuotaPermissionRequest",
             tr("Cannot create a separate instance of QuotaPermissionRequest"));
+        qmlRegisterUncreatableType<QQuickWebEngineRegisterProtocolHandlerPermissionRequest>(uri, 1, 7, "RegisterProtocolHandlerPermissionRequest",
+            tr("Cannot create a separate instance of RegisterProtocolHandlerPermissionRequest"));
     }
 
 private: