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[Bug 1569315] [NEW] Scrolling performance is dreadful after text has been selected

 

Public bug reported:

I just noticed this - after selecting text with the mouse (I haven't
tried this on the phone yet), scrolling becomes very laggy. It normally
doesn't recover after cancelling the selection.

chrome://tracing shows the UI thread is blocking for ~50ms periods in
MessageLoop::RunTask, which isn't particularly helpful. The task being
executed was posted from
IPC::ChannelProxy::Context::OnMessageReceivedNoFilter, so it's basically
a message handler somewhere that's responsible.

Bug 1565280 would really help here.

** Affects: oxide
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1569315

Title:
  Scrolling performance is dreadful after text has been selected

Status in Oxide:
  New

Bug description:
  I just noticed this - after selecting text with the mouse (I haven't
  tried this on the phone yet), scrolling becomes very laggy. It
  normally doesn't recover after cancelling the selection.

  chrome://tracing shows the UI thread is blocking for ~50ms periods in
  MessageLoop::RunTask, which isn't particularly helpful. The task being
  executed was posted from
  IPC::ChannelProxy::Context::OnMessageReceivedNoFilter, so it's
  basically a message handler somewhere that's responsible.

  Bug 1565280 would really help here.

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