AutoRecoverSyntheticLostContext 5346 Source/core/html/canvas/WebGLRenderingContextBase.cpp if ((m_contextLostMode == RealLostContext || m_contextLostMode == AutoRecoverSyntheticLostContext) && m_restoreAllowed) AutoRecoverSyntheticLostContext 5575 Source/core/html/canvas/WebGLRenderingContextBase.cpp forceLostContext(WebGLRenderingContextBase::AutoRecoverSyntheticLostContext);