MojoChannel: Fail when GetFileHandleForProcess() failed.

On Windows, GetFileHandleForProcess() can fail. This CL
handles that case instead of just doing CHECK().

R=viettrungluu@chromium.org
BUG=419139

Review URL: https://codereview.chromium.org/654113002

Cr-Commit-Position: refs/heads/master@{#299731}


CrOS-Libchrome-Original-Commit: 2580367532fe28da0456aadf70a2bfe5ca227d2d
3 files changed
tree: c942dcbcdaf767d298eabc52003896adc77809e2
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/