Trim unintentional whitespace and fix style nits

Original review: https://breakpad.appspot.com/1204002/
A=mdempsky@chromium.org
R=mdempsky@chromium.org

Review URL: https://breakpad.appspot.com/1244002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1287 4c0a9323-5329-0410-9bdc-e9ce6186880e