components: Use stl utilities from the base namespace

The utilities in base/stl_util.h have been moved from the global
into the base namespace. This patch updates the call sites accordingly.

No functional changes.

This patch was generated with the following script:
https://drive.google.com/open?id=0ByyxMXB38gLDNXJFaUdVbjhoemM

BUG=636301

Review-Url: https://codereview.chromium.org/2231753002
Cr-Commit-Position: refs/heads/master@{#411644}
96 files changed