Revert of Update SplitString calls to new form

extensions/common/features/base_feature_provider.cc

Index: extensions/common/features/base_feature_provider.cc
diff --git a/extensions/common/features/base_feature_provider.cc b/extensions/common/features/base_feature_provider.cc
index cae08d6243e78b1700854e57d5077ff47dd17cf1..472e1f55122b89a44fb7aa0973e7c6982560aa13 100644
--- a/extensions/common/features/base_feature_provider.cc
+++ b/extensions/common/features/base_feature_provider.cc
@@ -52,8 +52,8 @@
     if (iter.value().GetType() == base::Value::TYPE_DICTIONARY) {
       linked_ptr<SimpleFeature> feature((*factory_)());
 
-      std::vector<std::string> split = base::SplitString(
-          iter.key(), ".", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
+      std::vector<std::string> split;
+      base::SplitString(iter.key(), '.', &split);
 
       // Push parent features on the stack, starting with the current feature.
       // If one of the features has "noparent" set, stop pushing features on
@@ -171,8 +171,8 @@
   if (feature->no_parent())
     return nullptr;
 
-  std::vector<std::string> split = base::SplitString(
-      feature->name(), ".", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
+  std::vector<std::string> split;
+  base::SplitString(feature->name(), '.', &split);
   if (split.size() < 2)
     return nullptr;
   split.pop_back();