Commits on Feb 5, 2021

1. fix(oopifs): account for various races between processes …

   Consider the following situation (one among many possible).
   - FrameA has an oopif child FrameB;
   - FrameA navigates to same-process origin (e.g. about:blank);
   - at the same time, FrameC is attached to the FrameB in the
     FrameB's process.
   
   In this case, we get `frameNavigated` event for FrameA, immediately
   followed by `frameAttached` event for FrameC. Since we detach all
   FrameA's child frames on navigation, including the oopif FrameB,
   there is no parent frame for FrameC to attach to.
   
   In general, multiple processes coming from oopif may send their
   events in wildly different order, and their view about the frame
   tree may not always correspond to the "up to date" frame tree as
   seen from the main frame's process. We try to keep our frame tree
   aligned with what main process thinks, and ignore events that
   reference frames absent in this tree.
   
   Drive-by: handle filechooser exceptions because of async processing.

   

   dgozman committed Feb 5, 2021
   Configuration menu

   • View commit details
   • Copy full SHA for cf52b3d
   • Browse repository at this point

   Copy the full SHA

   cf52b3d View commit details

   Browse the repository at this point in the history