Remove nonstandard 'endings' option for Blob/File constructor

third_party/WebKit/LayoutTests/http/tests/resources/post-and-verify-hybrid.cgi

 #!/usr/bin/perl -wT
 
 use Config;
 
 print "Content-type: text/plain\n\n";
 
 if ($ENV{'REQUEST_METHOD'} eq "POST") {
     if ($ENV{'CONTENT_LENGTH'}) {
         read(STDIN, $postData, $ENV{'CONTENT_LENGTH'}) || die "Could not get post data\n";
     } else {
         $postData = "";
     }
 
     @list = split(/&/, $ENV{'QUERY_STRING'});
     @values;
     $values{'start'} = 0;
     $values{'length'} = -1;
-    $values{'convert_newlines'} = 0;
     foreach $element (@list) {
         ($key, $value) = split(/=/, $element);
         $values{$key} = $value;
     }
 
     # 'items' parameter would look like:
     #   <items> := <item>(','<item>)*
     #    <item> := <file> | <data>
     #    <file> := "file":<file-path>
     #    <data> := "data":<data-string>
@@ skipping 35 matching lines @@
             close(FILE);
         }
         $readPos -= $size;
         $expectedData .= $data;
         if ($remainingLength > 0) {
             $remainingLength -= length($data);
             last if $remainingLength <= 0;
         }
     }
 
-    if ($values{'convert_newlines'}) {
-        $nativeEnding = ($Config{osname} =~ /(MSWin|cygwin)/) ? "\r\n" : "\n";
-        $postData =~ s/$nativeEnding/[NL]/g;
-    }
-
     if ($postData eq $expectedData) {
         print "OK";
     } else {
         print "FAILED";
     }
 } else {
     print "Wrong method: " . $ENV{'REQUEST_METHOD'} . "\n";
 }