Convert remaining StringToLowerASCII to ToLowerASCII

mojo/services/network/http_server_apptest.cc

 // Copyright 2015 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 "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/run_loop.h"
@@ skipping 95 matching lines @@
   return response.Pass();
 }
 
 void CheckHeaders(const TestHeaders& expected,
                   const Array<HttpHeaderPtr>& headers) {
   // The server impl fiddles with Content-Length and Content-Type. So we don't
   // do a strict check here.
   std::map<std::string, std::string> header_map;
   for (size_t i = 0; i < headers.size(); ++i) {
     std::string lower_name =
-        base::StringToLowerASCII(headers[i]->name.To<std::string>());
+        base::ToLowerASCII(headers[i]->name.To<std::string>());
     header_map[lower_name] = headers[i]->value;
   }
 
   for (const auto& item : expected) {
-    std::string lower_name = base::StringToLowerASCII(item.first);
+    std::string lower_name = base::ToLowerASCII(item.first);
     EXPECT_NE(header_map.end(), header_map.find(lower_name));
     EXPECT_EQ(item.second, header_map[lower_name]);
   }
 }
 
 void CheckRequest(const TestRequest& expected, HttpRequestPtr request) {
   EXPECT_EQ(expected.method, request->method);
   EXPECT_EQ(expected.url, request->url);
   CheckHeaders(expected.headers, request->headers);
   if (expected.body) {
@@ skipping 550 matching lines @@
 
   socket_1.Send("How do");
   socket_1.Send("you do?");
 
   socket_0.WaitForMessage(2);
   EXPECT_EQ("How do", socket_0.received_messages()[0]);
   EXPECT_EQ("you do?", socket_0.received_messages()[1]);
 }
 
 }  // namespace mojo