[Qt] Implement Accelerated Composition for NPAPI Plugins.

Reviewed by Ariya Hidayat.

https://bugs.webkit.org/show_bug.cgi?id=35524

* plugins/PluginView.h:
(WebCore::PluginView::platformLayer):
* plugins/qt/PluginViewQt.cpp:
(WebCore::PluginGraphicsLayerQt::PluginGraphicsLayerQt):
(WebCore::PluginGraphicsLayerQt::~PluginGraphicsLayerQt):
(WebCore::PluginGraphicsLayerQt::paint):
(WebCore::PluginView::updatePluginWidget):
(WebCore::PluginView::paint):
(WebCore::PluginView::invalidateRect):
(WebCore::PluginView::invalidateRegion):
(WebCore::PluginView::platformStart):
(WebCore::PluginView::platformLayer):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@69981 268f45cc-cd09-0410-ab3c-d52691b4dbfc
3 files changed