stub out debug::StackTrace().Print() when using uclibc

This is a followup from https://codereview.chromium.org/228753003 which expands the subset of chromium that should be possible to build with uClibc.

BUG=386961

Review URL: https://codereview.chromium.org/354873002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@280289 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed