Complete patch, handling stacks for worker creation (on the main thread or in workers), worker XHRs, worker importScripts() calls, and WebSocket creation (on the main thread or in workers). This patch always creates these stacks, even when the net monitor is active. I think the cases where these stacks are created are rare enough and/or have enough other costs that the perf impact here should be small, but it would still be nice to fix sometime. I'll split this up for review tomorrow morning (putting some parts of it in bug 1392411, since this patch fixes both bugs).
Bug 1392408 Comment 8 Edit History
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Complete patch, handling stacks for worker creation (on the main thread or in workers), worker XHRs, worker importScripts() calls, and WebSocket creation (on the main thread or in workers). This patch always creates these stacks, even when the net monitor is inactive. I think the cases where these stacks are created are rare enough and/or have enough other costs that the perf impact here should be small, but it would still be nice to fix sometime. I'll split this up for review tomorrow morning (putting some parts of it in bug 1392411, since this patch fixes both bugs).