# Primary eng emails
ri...@chromium.org, yhi...@chromium.org
# Summary
In https://groups.google.com/a/chromium.org/d/msg/blink-dev/3NYHaxhRs14/XOdUJBvHAwAJ I proposed removing the pp::WebSocket PPAPI. Unfortunately an active user of the API has been found.
# Motivation
There are existing users whose workflows would be broken by removing the API. Although it is possible to emulate the API using pp::Instance::PostMessage(), as the app in question is moving off PPAPI anyway it seems unfair to force a lot of extra work on the legacy implementation.
Similarly, it is not worth my team investing in implementing an emulation of the API as it would probably cost more than continuing to maintain the pp::WebSocket implementation for the time being.
We have taken into account three types of cost associated with carrying the pp::WebSocket code:
In conclusion, with new information the scales have swung so that the small benefit from keeping the API outweighs the small cost.
The original arguments for deprecation still apply, and we hope there will be another opportunity to remove it once known users have moved off.
# Interoperability and Compatibility Risk
Retaining the API carries the risk of more adoption. However, given the general move away from PNaCl this is probably unlikely.
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