1. The web process should ask the UI process grant or deny storage access. Skip to step 6 if the result is deny. 2. The UI process should communicate changes to storage access to the network process. 3. The network process should tell the UI process when it's done. 4. The UI process should communicate changes to all web processes. 5. The web process pool should tell the UI process when it's done. 6. The UI process should tell the originating web process the result.
<rdar://problem/34414568>
All subtasks fixed.