Rename blink::AtomicString::Lower() to DeprecatedLower().

third_party/WebKit/Source/platform/loader/fetch/ResourceResponse.cpp

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 504 matching lines @@
   String value = http_header_fields_.Get(HTTPNames::Content_Disposition);
   size_t loc = value.Find(';');
   if (loc != kNotFound)
     value = value.Left(loc);
   value = value.StripWhiteSpace();
   return EqualIgnoringCase(value, kAttachmentString);
 }
 
 AtomicString ResourceResponse::HttpContentType() const {
   return ExtractMIMETypeFromMediaType(
-      HttpHeaderField(HTTPNames::Content_Type).Lower());
+      HttpHeaderField(HTTPNames::Content_Type).DeprecatedLower());
 }
 
 bool ResourceResponse::WasCached() const {
   return was_cached_;
 }
 
 void ResourceResponse::SetWasCached(bool value) {
   was_cached_ = value;
 }
 
@@ skipping 92 matching lines @@
   if (a.GetResourceLoadTiming() != b.GetResourceLoadTiming())
     return false;
   if (a.EncodedBodyLength() != b.EncodedBodyLength())
     return false;
   if (a.DecodedBodyLength() != b.DecodedBodyLength())
     return false;
   return true;
 }
 
 }  // namespace blink