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base/i18n/encoding_detection.cc

Index: base/i18n/encoding_detection.cc
diff --git a/base/i18n/encoding_detection.cc b/base/i18n/encoding_detection.cc
index 56582511f306ed785496b582f8bd258e97a4d6ee..cad67ce0ac9e2c20a4dc8ca5d14d1f0d2a150cc4 100644
--- a/base/i18n/encoding_detection.cc
+++ b/base/i18n/encoding_detection.cc
@@ -23,18 +23,6 @@ bool DetectEncoding(const std::string& text, std::string* encoding) {
   if (enc == UNKNOWN_ENCODING)
     return false;
 
-  // 7-bit encodings (except ISO-2022-JP) are not supported in web standard.
-  // Mark them as ascii to keep the raw bytes intact.
-  switch (enc) {
-    case HZ_GB_2312:
-    case ISO_2022_KR:
-    case ISO_2022_CN:
-    case UTF7:
-      enc = ASCII_7BIT;
-      break;
-    default:
-      break;
-  }
   *encoding = MimeEncodingName(enc);
   return true;
 }