components: Use stl utilities from the base namespace

components/history/core/browser/visit_tracker.cc

Index: components/history/core/browser/visit_tracker.cc
diff --git a/components/history/core/browser/visit_tracker.cc b/components/history/core/browser/visit_tracker.cc
index fccd2e1627f0f5d19b333a88d48fb53313be5d9f..742e80900ba8d6d58d792c1788eb96071e732914 100644
--- a/components/history/core/browser/visit_tracker.cc
+++ b/components/history/core/browser/visit_tracker.cc
@@ -22,7 +22,8 @@ VisitTracker::VisitTracker() {
 }
 
 VisitTracker::~VisitTracker() {
-  STLDeleteContainerPairSecondPointers(contexts_.begin(), contexts_.end());
+  base::STLDeleteContainerPairSecondPointers(contexts_.begin(),
+                                             contexts_.end());
 }
 
 // This function is potentially slow because it may do up to two brute-force