Remove stl_util's STLDeleteContainerPairSecondPointers.

base/stl_util.h

Index: base/stl_util.h
diff --git a/base/stl_util.h b/base/stl_util.h
index b8683377bb7872c711c4bc5bef21a19db87bcf29..b762b9fe0c15b143054420f9ffc6ea03847322a5 100644
--- a/base/stl_util.h
+++ b/base/stl_util.h
@@ -110,7 +110,14 @@ template <class T>
 void STLDeleteValues(T* container) {
   if (!container)
     return;
-  STLDeleteContainerPairSecondPointers(container->begin(), container->end());
+
+  auto it = container->begin();
+  while (it != container->end()) {
+    auto temp = it;
+    ++it;
+    delete temp->second;
+  }
+
   container->clear();
 }