Replace base::get with std::get

base::get is no longer needed after the linux sysroot update. The new
sysroot has libstdc++-4.8, that has rvalue reference support of
std::tuple.

Review-Url: https://codereview.chromium.org/2797133002
Cr-Commit-Position: refs/heads/master@{#462229}


CrOS-Libchrome-Original-Commit: f7c47573b7686c59723f3b7da6d69f1ec494f23b
3 files changed
tree: eae7fa993715b96255b4950f73706a4a25226f2d
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/