Remove legacy StartsWithASCII function.

content/child/multipart_response_delegate.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 "content/child/multipart_response_delegate.h"
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 53 matching lines @@
     : client_(client),
       loader_(loader),
       original_response_(response),
       encoded_data_length_(0),
       boundary_("--"),
       first_received_data_(true),
       processing_headers_(false),
       stop_sending_(false),
       has_sent_first_response_(false) {
   // Some servers report a boundary prefixed with "--".  See bug 5786.
-  if (base::StartsWithASCII(boundary, "--", true)) {
+  if (base::StartsWith(boundary, "--", base::CompareCase::SENSITIVE)) {
     boundary_.assign(boundary);
   } else {
     boundary_.append(boundary);
   }
 }
 
 void MultipartResponseDelegate::OnReceivedData(const char* data,
                                                int data_len,
                                                int encoded_data_length) {
   // stop_sending_ means that we've already received the final boundary token.
@@ skipping 300 matching lines @@
   if (!base::StringToInt64(byte_range_upper_bound, content_range_upper_bound))
     return false;
   if (!base::StringToInt64(byte_range_instance_size,
                            content_range_instance_size)) {
     return false;
   }
   return true;
 }
 
 }  // namespace content