Breakpad STABS parser: Use a test fixture in StabsReader unit tests.
Breakpad STABS parser: Use a test fixture in StabsReader unit tests.

This patch factors out some of the common code in the StabsReader unit
tests into a fixture class. Pretty mechanical.

a=jimblandy, r=thestig


git-svn-id: 7939527bf0a06ad24ad020f729d5600cb42ed5d7@586 4c0a9323-5329-0410-9bdc-e9ce6186880e

mikewied/breakpad,mikewied/breakpad,mikewied/breakpad,mikewied/breakpad,mikewied/breakpad,mikewied/breakpad