[chromium] Match the LayerTreeSetting default for acceleratedAnimationEnabled in the WebLayerTreeSetting https://bugs.webkit.org/show_bug.cgi?id=102285 Reviewed by James Robinson. Accelerated animations default to on. * chromium/public/WebLayerTreeView.h: (WebKit::WebLayerTreeView::Settings::Settings): git-svn-id: https://svn.webkit.org/repository/webkit/trunk/Source/Platform/chromium/public@134669 268f45cc-cd09-0410-ab3c-d52691b4dbfc