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danakj@chromium.org authored
When the LayerTreeHostImpl drops RenderPasses from its output, it does not also drop the RenderPassDrawQuads that point to them. The direct renderers ignore these quads, so this has never been a problem. However the DelegatedRendererLayerImpl was not able to deal with this correctly and would crash. More problematic is that a compromised renderer could send invalid RenderPassDrawQuads, which the DelegatedRendererLayerImpl must be able to handle gracefully. So, for both cases, we here make the DelegatedRendererLayerImpl ignore invalid RenderPassDrawQuads, and just drop the from its own output. Tests: DelegatedRendererLayerImplTest.InvalidRenderPassDrawQuad R=piman BUG=283630 Review URL: https://chromiumcodereview.appspot.com/23891003 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221493 0039d316-1c4b-4281-b951-d872f2087c98
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