Fix header guards in components/.

Generated mechanically as follows:

git ls-files '*.h' | grep -E '^components/' | \
    xargs parallel cpplint.py --filter=-,+build/header_guard -- 2>&1 | \
    grep build/header_guard | tools/apply_cpplint_header_guard.py

Bug: 1200694
Change-Id: I7d365e54e01292ebddadb3486494d4b8b729e38f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5051991
Reviewed-by: Alex Gough <[email protected]>
Commit-Queue: Ted Choc <[email protected]>
Reviewed-by: Ted Choc <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1231006}
diff --git a/components/reporting/metrics/manual_collector.h b/components/reporting/metrics/manual_collector.h
index 66fff09..b05584d 100644
--- a/components/reporting/metrics/manual_collector.h
+++ b/components/reporting/metrics/manual_collector.h
@@ -45,4 +45,4 @@
 };
 }  // namespace reporting
 
-#endif  // COMPONENTS_REPORTING_METRICS_ONE_SHOT_COLLECTOR_H_
+#endif  // COMPONENTS_REPORTING_METRICS_MANUAL_COLLECTOR_H_