This fixes bug http://code.google.com/p/chromium/issues/detail?id=4076, which...

webkit/glue/multipart_response_delegate_unittest.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <vector>
 
 #include "config.h"
 
 #include "base/compiler_specific.h"
 
@@ skipping 407 matching lines @@
       String("Thu, 11 Sep 2008 18:21:42 GMT"));
   response3.setHTTPHeaderField(
       String("Content-type"),
       String("multipart/byteranges"));
 
   multipart_boundary.clear();
   result = MultipartResponseDelegate::ReadMultipartBoundary(
       response3, &multipart_boundary);
   EXPECT_EQ(result, false);
   EXPECT_EQ(multipart_boundary.length(), 0U);
+
+  ResourceResponse response4(KURL(), "multipart/byteranges", 0, "en-US",
+                             String());
+  response4.setHTTPHeaderField(String("Content-Length"), String("200"));
+  response4.setHTTPHeaderField(
+      String("Content-type"),
+      String("multipart/byteranges; boundary=--bound--; charSet=utf8"));
+
+  multipart_boundary.clear();
+
+  result = MultipartResponseDelegate::ReadMultipartBoundary(
+      response4, &multipart_boundary);
+  EXPECT_EQ(result, true);
+  EXPECT_EQ(string("--bound--"), multipart_boundary);
 }
 
 TEST(MultipartResponseTest, MultipartContentRangesTest) {
   ResourceResponse response1(KURL(), "application/pdf", 0, "en-US",
                             String());
   response1.setHTTPHeaderField(String("Content-Length"), String("200"));
   response1.setHTTPHeaderField(
       String("Content-Range"),
       String("bytes 1000-1050/5000"));
   
@@ skipping 20 matching lines @@
 
   result = MultipartResponseDelegate::ReadContentRanges(
       response2, &content_range_lower_bound,
       &content_range_upper_bound);
 
   EXPECT_EQ(result, false);
 }
 
 }  // namespace