Migrate WTF::HashMap::add() to ::insert()

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 92 matching lines @@
       break;  // Empty line means end of key/value section.
     if (line[0] == '\t') {
       value.append(line.substring(1));
       continue;
     }
     // New key/value, store the previous one if any.
     if (!key.isEmpty()) {
       if (keyValuePairs.find(key) != keyValuePairs.end())
         DVLOG(1) << "Key duplicate found in MIME header. Key is '" << key
                  << "', previous value replaced.";
-      keyValuePairs.add(key, value.toString().stripWhiteSpace());
+      keyValuePairs.insert(key, value.toString().stripWhiteSpace());
       key = String();
       value.clear();
     }
     size_t semiColonIndex = line.find(':');
     if (semiColonIndex == kNotFound) {
       // This is not a key value pair, ignore.
       continue;
     }
     key = line.substring(0, semiColonIndex).lower().stripWhiteSpace();
     value.append(line.substring(semiColonIndex + 1));
@@ skipping 255 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