https://bugs.webkit.org/show_bug.cgi?id=47490

Reviewed by Kenneth Rohde Christiansen.

WebCore:

* WebCore.pro:

WebKit/qt:

* WebCoreSupport/DeviceOrientationClientMockQt.cpp: Added.
(WebCore::DeviceOrientationClientMockQt::client):
(WebCore::DeviceOrientationClientMockQt::DeviceOrientationClientMockQt):
(WebCore::DeviceOrientationClientMockQt::~DeviceOrientationClientMockQt):
(WebCore::DeviceOrientationClientMockQt::setController):
(WebCore::DeviceOrientationClientMockQt::startUpdating):
(WebCore::DeviceOrientationClientMockQt::stopUpdating):
(WebCore::DeviceOrientationClientMockQt::lastOrientation):
(WebCore::DeviceOrientationClientMockQt::deviceOrientationControllerDestroyed):
(WebCore::DeviceOrientationClientMockQt::setOrientation):
* WebCoreSupport/DeviceOrientationClientMockQt.h: Added.
* WebCoreSupport/DeviceOrientationClientQt.cpp:
* WebCoreSupport/DeviceOrientationProviderQt.cpp:
(WebCore::DeviceOrientationProviderQt::DeviceOrientationProviderQt):
(WebC...