Mojo: Make overriding OnConnectionError optional

Using mojo::Application::AddService<ServiceImpl> results in the system taking care of error handling for you. There's no need to force ServiceImpl to override OnConnectionError in this case.

Review URL: https://codereview.chromium.org/289873008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271287 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 07ed1e38379d9ed184642180552fb89e6520c01e
7 files changed
tree: 8156709d72a522425a1443b14f1b943f2282c8be
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/