Revert 289312 "Move StringToUpperASCII and LowerCaseEqualsASCII ..."

trunk/src/content/browser/loader/buffered_resource_handler.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.
 
 #include "content/browser/loader/buffered_resource_handler.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 242 matching lines @@
 }
 
 bool BufferedResourceHandler::ShouldSniffContent() {
   const std::string& mime_type = response_->head.mime_type;
 
   std::string content_type_options;
   request()->GetResponseHeaderByName("x-content-type-options",
                                      &content_type_options);
 
   bool sniffing_blocked =
-      base::LowerCaseEqualsASCII(content_type_options, "nosniff");
+      LowerCaseEqualsASCII(content_type_options, "nosniff");
   bool we_would_like_to_sniff =
       net::ShouldSniffMimeType(request()->url(), mime_type);
 
   RecordSnifferMetrics(sniffing_blocked, we_would_like_to_sniff, mime_type);
 
   if (!sniffing_blocked && we_would_like_to_sniff) {
     // We're going to look at the data before deciding what the content type
     // is.  That means we need to delay sending the ResponseStarted message
     // over the IPC channel.
     VLOG(1) << "To buffer: " << request()->url().spec();
@@ skipping 217 matching lines @@
   request()->LogUnblocked();
   bool defer = false;
   if (!ProcessResponse(&defer)) {
     controller()->Cancel();
   } else if (!defer) {
     controller()->Resume();
   }
 }
 
 }  // namespace content