Convert remaining StringToLowerASCII to ToLowerASCII

extensions/common/permissions/socket_permission_entry.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/common/permissions/socket_permission_entry.h"
 
 #include <cstdlib>
 #include <sstream>
 #include <vector>
 
@@ skipping 57 matching lines @@
          (pattern_.host == rhs.pattern_.host) &&
          (match_subdomains_ == rhs.match_subdomains_) &&
          (pattern_.port == rhs.pattern_.port);
 }
 
 bool SocketPermissionEntry::Check(
     const content::SocketPermissionRequest& request) const {
   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;
 
     if (!pattern_.host.empty()) {
       // Do not wildcard part of IP address.
       url::Component component(0, lhost.length());
       url::RawCanonOutputT<char, 128> ignored_output;
       url::CanonHostInfo host_info;
       url::CanonicalizeIPAddress(
@@ skipping 70 matching lines @@
 
   // Return an error if address is specified for permissions that don't
   // need it (such as 'resolve-host').
   if (!result.IsAddressBoundType())
     return false;
 
   result.pattern_.host = pattern_tokens[0];
   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 =
         base::SplitString(result.pattern_.host, std::string(1, kDot),
                           base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
     DCHECK(!host_components.empty());
 
     if (host_components[0] == kWildcard || host_components[0].empty()) {
       host_components.erase(host_components.begin(),
                             host_components.begin() + 1);
@@ skipping 37 matching lines @@
 
   if (pattern_.port == kWildcardPortNumber)
     result.append(1, kColon).append(kWildcard);
   else
     result.append(1, kColon).append(base::IntToString(pattern_.port));
 
   return result;
 }
 
 }  // namespace extensions