components: Use stl utilities from the base namespace

components/signin/core/browser/about_signin_internals.cc

Index: components/signin/core/browser/about_signin_internals.cc
diff --git a/components/signin/core/browser/about_signin_internals.cc b/components/signin/core/browser/about_signin_internals.cc
index e1ac32ceb97305da0bba8933d933d011ce668a93..2ed39cd6ae9fc60129970106f30fba622b572d33 100644
--- a/components/signin/core/browser/about_signin_internals.cc
+++ b/components/signin/core/browser/about_signin_internals.cc
@@ -481,7 +481,7 @@ AboutSigninInternals::SigninStatus::~SigninStatus() {
   for (TokenInfoMap::iterator it = token_info_map.begin();
        it != token_info_map.end();
        ++it) {
-    STLDeleteElements(&it->second);
+    base::STLDeleteElements(&it->second);
   }
 }