Revert "Support rotated logs."

This reverts commit 288db749931a6aa9d0d83560e8d9b4bcf1ce90af.

This change is suspected of causing suite_Smoke/logging_CrashSender to fail

TBR=ericli

Review URL: http://codereview.chromium.org/6690056

Change-Id: I8c25fc01fb6c159dd6ae2294e6a56a23ac29d53e
2 files changed