Add ProcessPowerCollector to audit CPU and power information.

This is part of the battery auditing feature, which will be surfaced in the Website Settings options page in the next patch.

BUG=372598

Review URL: https://codereview.chromium.org/472383002

Cr-Commit-Position: refs/heads/master@{#291999}
diff --git a/chrome/browser/DEPS b/chrome/browser/DEPS
index 1aa16d90..8433194 100644
--- a/chrome/browser/DEPS
+++ b/chrome/browser/DEPS
@@ -48,6 +48,7 @@
   "+components/os_crypt",
   "+components/password_manager",
   "+components/policy",
+  "+components/power",
   "+components/precache",
   "+components/pref_registry",
   "+components/query_parser",