Convert remaining StringToLowerASCII to ToLowerASCII

net/base/data_url.cc

 // Copyright (c) 2012 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.
 
 // NOTE: based loosely on mozilla's nsDataChannel.cpp
 
 #include <algorithm>
 
 #include "net/base/data_url.h"
 
@@ skipping 25 matching lines @@
   if (comma == end)
     return false;
 
   std::vector<std::string> meta_data =
       base::SplitString(base::StringPiece(after_colon, comma), ";",
                         base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
 
   std::vector<std::string>::iterator iter = meta_data.begin();
   if (iter != meta_data.end()) {
     mime_type->swap(*iter);
-    base::StringToLowerASCII(mime_type);
+    *mime_type = base::ToLowerASCII(*mime_type);
     ++iter;
   }
 
   static const char kBase64Tag[] = "base64";
   static const char kCharsetTag[] = "charset=";
   const size_t kCharsetTagLength = arraysize(kCharsetTag) - 1;
 
   bool base64_encoded = false;
   for (; iter != meta_data.end(); ++iter) {
     if (!base64_encoded && *iter == kBase64Tag) {
@@ skipping 72 matching lines @@
       temp_data.resize(length + padding_needed, '=');
     }
     return base::Base64Decode(temp_data, data);
   }
 
   temp_data.swap(*data);
   return true;
 }
 
 }  // namespace net