Update from https://crrev.com/333737

services/url_response_disk_cache/url_response_disk_cache_impl.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 "services/url_response_disk_cache/url_response_disk_cache_impl.h"
 
 #include <type_traits>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ skipping 128 matching lines @@
 }
 
 // Returns the list of values for the given |header_name| in the given list of
 // headers.
 template <typename HeaderType>
 std::vector<std::string> GetHeaderValues(const std::string& header_name,
                                          const Array<HeaderType>& headers) {
   std::vector<std::string> result;
   for (size_t i = 0u; i < headers.size(); ++i) {
     std::string name = headers[i]->name;
-    if (LowerCaseEqualsASCII(name, header_name.c_str()))
+    if (base::LowerCaseEqualsASCII(name, header_name.c_str()))
       result.push_back(headers[i]->value);
   }
   return result;
 }
 
 // Returns whether the given directory |dir| constains a valid entry file for
 // the given |response|. If this is the case and |output| is not |nullptr|, then
 // the deserialized entry is returned in |*output|.
 bool IsCacheEntryValid(const base::FilePath& dir,
                        URLResponse* response,
@@ skipping 169 matching lines @@
       return;
     }
   }
   // We can ignore write error, as it will just force to clear the cache on the
   // next request.
   WriteFile(GetExtractedSentinel(base_dir), nullptr, 0);
   callback.Run(extracted_dir, cache_dir);
 }
 
 }  // namespace mojo