Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

chrome/browser/autocomplete/history_url_provider.cc

Index: chrome/browser/autocomplete/history_url_provider.cc
diff --git a/chrome/browser/autocomplete/history_url_provider.cc b/chrome/browser/autocomplete/history_url_provider.cc
index 416711595ad8d2cc29b0324d23af54847e48be7b..85b041acfeb799ac1c2e8b5ef2a42ffd1894f0f7 100644
--- a/chrome/browser/autocomplete/history_url_provider.cc
+++ b/chrome/browser/autocomplete/history_url_provider.cc
@@ -973,7 +973,7 @@ bool HistoryURLProvider::CanFindIntranetURL(
   // input's text and parts between Parse() and here, it seems better to be
   // paranoid and check.
   if ((input.type() != metrics::OmniboxInputType::UNKNOWN) ||
-      !LowerCaseEqualsASCII(input.scheme(), url::kHttpScheme) ||
+      !base::LowerCaseEqualsASCII(input.scheme(), url::kHttpScheme) ||
       !input.parts().host.is_nonempty())
     return false;
   const std::string host(base::UTF16ToUTF8(