Move StartsWith[ASCII] to base namespace.

components/omnibox/search_suggestion_parser.cc

Index: components/omnibox/search_suggestion_parser.cc
diff --git a/components/omnibox/search_suggestion_parser.cc b/components/omnibox/search_suggestion_parser.cc
index 26d1933ea024ade7f4bdf5169848058b5f371e44..ecf580dfb699567bf41e226cadcc95ea8297371b 100644
--- a/components/omnibox/search_suggestion_parser.cc
+++ b/components/omnibox/search_suggestion_parser.cc
@@ -148,7 +148,7 @@ void SearchSuggestionParser::SuggestResult::ClassifyMatchContents(
         suggestion_.length() - match_contents_.length();
     // Ensure the query starts with the input text, and ends with the match
     // contents, and the input text has an overlap with contents.
-    if (StartsWith(suggestion_, input_text, true) &&
+    if (base::StartsWith(suggestion_, input_text, true) &&
         EndsWith(suggestion_, match_contents_, true) &&
         (input_text.length() > contents_index)) {
       lookup_text = input_text.substr(contents_index);