Workaround for g++7 is_trivially_copy_constructible failure.

cf) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80654
Please see also crbug.com/784732#27 for details.

BUG=784732
TEST=Some with GCC.

Change-Id: I0a6d28d9c26ac9ed026d137e17fddbe86586f1e1
Reviewed-on: https://chromium-review.googlesource.com/927942
Commit-Queue: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#538740}

CrOS-Libchrome-Original-Commit: 4d8468a07f374c11425494271256151fb6fe0c34
3 files changed
tree: 5e4e2f7577a308edc4a16f35d81ebe0689dc49b4
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/