Remove usage of gDebugLog and DEBUGLOG from Mac and iOS client code.

The inconsistent and duplicated references to gDebugLog caused
problems building on iOS and the current logging implementation
had little utility because it was never activated in debug builds.



git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1257 4c0a9323-5329-0410-9bdc-e9ce6186880e
Expose the ability to supply additional user streams in the windows dump generator.

BUG=N/A
R=mark@chromium.org

Review URL: https://breakpad.appspot.com/894002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1258 4c0a9323-5329-0410-9bdc-e9ce6186880e