[Bug 45647] New: chromium x64 sandbox >=win10 needs win10 csrss heap

https://bugs.winehq.org/show_bug.cgi?id=45647

Bug ID: 45647
           Summary: chromium x64 sandbox >=win10 needs win10 csrss heap
           Product: Wine
           Version: 3.13
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: patch
          Severity: normal
          Priority: P2
         Component: ntdll
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 62076
  --> https://bugs.winehq.org/attachment.cgi?id=62076
Patch to provide csrss heap and fake win10 heaps

Follow up to bug 45646.
Starting with win10, the chromium sandbox tries to find a certain heap that's
shared with csrss.exe. It does this by enumerating all process heaps, looking
in the internal structure for the right flags. For that it assumes the internal
structure behind the opaque handle...
We need to do 2 things here.

1) Provide a csrss heap in the first place
2) Return handles that have a heap structure similar to win10 heap behind them