OOPIFs: Transitioning MHTML generation from view-oriented to frame-oriented.

third_party/WebKit/Source/platform/mhtml/MHTMLArchive.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
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 #include "wtf/DateMath.h"
 #include "wtf/text/Base64.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 const char* const quotedPrintable = "quoted-printable";
 const char* const base64 = "base64";
 const char* const binary = "binary";
 
-String MHTMLArchive::generateMHTMLBoundary()
-{
-    // Trying to generate random boundaries similar to IE/UnMHT
-    // (ex: ----=_NextPart_000_001B_01CC157B.96F808A0).
-    const size_t randomValuesLength = 10;
-    char randomValues[randomValuesLength];
-    cryptographicallyRandomValues(&randomValues, randomValuesLength);
-    StringBuilder stringBuilder;
-    stringBuilder.appendLiteral("----=_NextPart_000_");
-    for (size_t i = 0; i < randomValuesLength; ++i) {
-        if (i == 2)
-            stringBuilder.append('_');
-        else if (i == 6)
-            stringBuilder.append('.');
-        stringBuilder.append(lowerNibbleToASCIIHexDigit(randomValues[i]));
-        stringBuilder.append(upperNibbleToASCIIHexDigit(randomValues[i]));
-    }
-    return stringBuilder.toString();
-}
-
 static String replaceNonPrintableCharacters(const String& text)
 {
     StringBuilder stringBuilder;
     for (size_t i = 0; i < text.length(); ++i) {
         if (isASCIIPrintable(text[i]))
             stringBuilder.append(text[i]);
         else
             stringBuilder.append('?');
     }
     return stringBuilder.toString();
@@ skipping 201 matching lines @@
 }
 
 DEFINE_TRACE(MHTMLArchive)
 {
     visitor->trace(m_mainResource);
     visitor->trace(m_subresources);
     visitor->trace(m_subframeArchives);
 }
 
 }