Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

chrome/browser/safe_browsing/malware_details_cache.cc

Index: chrome/browser/safe_browsing/malware_details_cache.cc
diff --git a/chrome/browser/safe_browsing/malware_details_cache.cc b/chrome/browser/safe_browsing/malware_details_cache.cc
index ac27102885855bb3fbb1883569247debfa44f6f7..a85b427733792d73884c90f86685e5bc2303e782 100644
--- a/chrome/browser/safe_browsing/malware_details_cache.cc
+++ b/chrome/browser/safe_browsing/malware_details_cache.cc
@@ -156,7 +156,7 @@ void MalwareDetailsCacheCollector::ReadResponse(
         pb_response->add_headers();
     pb_header->set_name(name);
     // Strip any Set-Cookie headers.
-    if (LowerCaseEqualsASCII(name, "set-cookie")) {
+    if (base::LowerCaseEqualsASCII(name, "set-cookie")) {
       pb_header->set_value("");
     } else {
       pb_header->set_value(value);