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/core/web_contents_adapter_client.h b/src/core/web_contents_adapter_client.h
index dfb2dddcc..495be3d84 100644
--- a/src/core/web_contents_adapter_client.h
+++ b/src/core/web_contents_adapter_client.h
@@ -65,6 +65,7 @@ class ColorChooserController;
 class FilePickerController;
 class JavaScriptDialogController;
 class QuotaPermissionController;
+class RegisterProtocolHandlerPermissionController;
 class RenderWidgetHostViewQt;
 class RenderWidgetHostViewQtDelegate;
 class RenderWidgetHostViewQtDelegateClient;
@@ -437,6 +438,7 @@ public:
     virtual void runMediaAccessPermissionRequest(const QUrl &securityOrigin, MediaRequestFlags requestFlags) = 0;
     virtual void runMouseLockPermissionRequest(const QUrl &securityOrigin) = 0;
     virtual void runQuotaPermissionRequest(QSharedPointer<QuotaPermissionController>) = 0;
+    virtual void runRegisterProtocolHandlerPermissionRequest(QSharedPointer<RegisterProtocolHandlerPermissionController>) = 0;
     virtual WebEngineSettings *webEngineSettings() const = 0;
     virtual void showValidationMessage(const QRect &anchor, const QString &mainText, const QString &subText) = 0;
     virtual void hideValidationMessage() = 0;