Make ParsedContentType more conformant to the spec

third_party/WebKit/Source/platform/mhtml/MHTMLParser.cpp

 /*
  * Copyright (C) 2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 116 matching lines @@
     keyValuePairs.set(key, value.toString().stripWhiteSpace());
   return keyValuePairs;
 }
 
 MIMEHeader* MIMEHeader::parseHeader(SharedBufferChunkReader* buffer) {
   MIMEHeader* mimeHeader = MIMEHeader::create();
   KeyValueMap keyValuePairs = retrieveKeyValuePairs(buffer);
   KeyValueMap::iterator mimeParametersIterator =
       keyValuePairs.find("content-type");
   if (mimeParametersIterator != keyValuePairs.end()) {
-    ParsedContentType parsedContentType(mimeParametersIterator->value);
+    ParsedContentType parsedContentType(mimeParametersIterator->value,
+                                        ParsedContentType::Mode::Relaxed);
     mimeHeader->m_contentType = parsedContentType.mimeType();
     if (!mimeHeader->isMultipart()) {
       mimeHeader->m_charset = parsedContentType.charset().stripWhiteSpace();
     } else {
       mimeHeader->m_multipartType =
           parsedContentType.parameterValueForName("type");
       mimeHeader->m_endOfPartBoundary =
           parsedContentType.parameterValueForName("boundary");
       if (mimeHeader->m_endOfPartBoundary.isNull()) {
         DVLOG(1) << "No boundary found in multipart MIME header.";
@@ skipping 231 matching lines @@
   if (!contentID.startsWith('<') || !contentID.endsWith('>'))
     return KURL();
 
   StringBuilder uriBuilder;
   uriBuilder.append("cid:");
   uriBuilder.append(contentID, 1, contentID.length() - 2);
   return KURL(KURL(), uriBuilder.toString());
 }
 
 }  // namespace blink