Convert remaining StringToLowerASCII to ToLowerASCII

extensions/common/permissions/socket_permission_entry.cc

Index: extensions/common/permissions/socket_permission_entry.cc
diff --git a/extensions/common/permissions/socket_permission_entry.cc b/extensions/common/permissions/socket_permission_entry.cc
index 86c61de043f5e651303a35567a2d381c9cb0263a..012eda001b4c03df14d440158b68095019ca9d18 100644
--- a/extensions/common/permissions/socket_permission_entry.cc
+++ b/extensions/common/permissions/socket_permission_entry.cc
@@ -75,7 +75,7 @@ bool SocketPermissionEntry::Check(
   if (pattern_.type != request.type)
     return false;
 
-  std::string lhost = base::StringToLowerASCII(request.host);
+  std::string lhost = base::ToLowerASCII(request.host);
   if (pattern_.host != lhost) {
     if (!match_subdomains_)
       return false;
@@ -166,7 +166,7 @@ bool SocketPermissionEntry::ParseHostPattern(
   if (!result.pattern_.host.empty()) {
     if (StartsOrEndsWithWhitespace(result.pattern_.host))
       return false;
-    result.pattern_.host = base::StringToLowerASCII(result.pattern_.host);
+    result.pattern_.host = base::ToLowerASCII(result.pattern_.host);
 
     // The first component can optionally be '*' to match all subdomains.
     std::vector<std::string> host_components =