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jamesr@google.com authored
https://bugs.webkit.org/show_bug.cgi?id=66820 Reviewed by Kenneth Russell. Source/WebCore: Adds support for recreating a context as if it was lost, and fixes compositeAndReadback() to attempt context recovery. Test: platform/chromium/compositing/lost-compositor-context.html * platform/graphics/chromium/cc/CCLayerTreeHost.cpp: (WebCore::CCLayerTreeHost::compositeAndReadback): (WebCore::CCLayerTreeHost::loseCompositorContext): * platform/graphics/chromium/cc/CCLayerTreeHost.h: Source/WebKit/chromium: Adds a testing-only API to simulate a lost compositor context. * public/WebView.h: * src/WebViewImpl.cpp: (WebKit::WebViewImpl::loseCompositorContext): * src/WebViewImpl.h: Tools: Exposes a LayoutTestController interface in chromium to simulate a lost compositor context. * DumpRenderTree/chromium/LayoutTestController.cpp: (LayoutTestController::LayoutTestController): (LayoutTestController::loseCompositorContext): * DumpRenderTree/chromium/LayoutTestController.h: LayoutTests: Adds a simple test for losing the compositor context in a recoverable way on a composited page. Tests that we recover without crashing and render the updated content on the next frame. * platform/chromium/compositing/lost-compositor-context.html: Added. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@93681 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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