tree 34d97ad29efc709e6f6cffe6ae931682410a05d6
parent 18149b6764437eeb88d0ab78e565ec9cb2384779
author Josh Gao <jmgao@google.com> 1504733666 -0700
committer Josh Gao <jmgao@google.com> 1504742546 -0700

libbacktrace: make Backtrace::FormatFrameData static.

Backtrace::FormatFrameData doesn't depend on anything from its
instance. Make it static so that callers that don't have a Backtrace*
available can format frames.

Test: mma
Change-Id: Id0ca93bbef19da488305374e58b25c7ca9d0e518