Unreviewed, GTK build fix after r170266.

* Source/cmake/OptionsGTK.cmake: Geoclue also requires gio-unix.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@170283 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed, GTK build fix after r170274.

* WebProcess/WebPage/DrawingAreaImpl.cpp:
Drawing::m_webPage changed to reference.

(WebKit::DrawingAreaImpl::DrawingAreaImpl):
(WebKit::DrawingAreaImpl::setNeedsDisplay):
(WebKit::DrawingAreaImpl::setNeedsDisplayInRect):
(WebKit::DrawingAreaImpl::forceRepaint):
(WebKit::DrawingAreaImpl::updatePreferences):
(WebKit::DrawingAreaImpl::layerHostDidFlushLayers):
(WebKit::DrawingAreaImpl::updateBackingStoreState):
(WebKit::DrawingAreaImpl::sendDidUpdateBackingStoreState):
(WebKit::DrawingAreaImpl::enterAcceleratedCompositingMode):
(WebKit::DrawingAreaImpl::exitAcceleratedCompositingMode):
(WebKit::DrawingAreaImpl::display):
* WebProcess/WebPage/DrawingAreaImpl.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@170284 268f45cc-cd09-0410-ab3c-d52691b4dbfc