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timothy_horton@apple.com authored
https://bugs.webkit.org/show_bug.cgi?id=122006 <rdar://problem/15095197> Reviewed by Dean Jackson. * WebKitTestRunner/mac/PlatformWebViewMac.mm: (WTR::PlatformWebView::PlatformWebView): Layer-back the root view in WebKitTestRunner's window, to work around a bug where the window server snapshot API returns blank snapshots. Re-landing after r156724, this should not break everything now. Add a test that ensures that WebKitTestRunner's snapshots are not completely blank with tiled drawing enabled. * platform/mac-wk2/tiled-drawing/window-server-snapshots-work-expected-mismatch.html: Added. * platform/mac-wk2/tiled-drawing/window-server-snapshots-work.html: Added. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@156725 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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