Revert "Added a Mojo equivalent to base::File::Error."

This reverts commit 8d71ca83bd7d6e377d06e0b13db6521faff8313d.

Reason for revert: Missed existence of filesystem.mojom.FileError

Original change's description:
> Added a Mojo equivalent to base::File::Error.
> 
> mojo.common.mojom.FileError is the Mojo version of the base::File::Error
> enumeration.
> 
> Added enum traits for base::File::Error ↔ mojo::common::mojom::FileError.
> 
> Bug: 787281
> Change-Id: I12075ed19fd412d0f92b0eccef66ba3832261d8b
> Reviewed-on: https://chromium-review.googlesource.com/786266
> Commit-Queue: Chris Mumford <cmumford@chromium.org>
> Reviewed-by: John Abd-El-Malek <jam@chromium.org>
> Reviewed-by: Oliver Chang <ochang@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#519407}

TBR=jam@chromium.org,cmumford@chromium.org,ochang@chromium.org

Change-Id: I10ec724c00a3022ef177f4ded3268f0e892c1a69
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 787281
Reviewed-on: https://chromium-review.googlesource.com/794153
Reviewed-by: Chris Mumford <cmumford@chromium.org>
Commit-Queue: Chris Mumford <cmumford@chromium.org>
Cr-Commit-Position: refs/heads/master@{#519721}

CrOS-Libchrome-Original-Commit: 94ff93b6a704a6182a9c3c5cdf7aa5b312fa0fa7
5 files changed
tree: bf47983619c4ba5a740f28e1386e3036eadeba84
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/