Properly concatenate URL components in directory listing.

net/base/dir_header.html

Index: net/base/dir_header.html
diff --git a/net/base/dir_header.html b/net/base/dir_header.html
index 8e885e2a3f7503cd9b491d40c0d9094a41835bf5..550583175de10ec1bc4efe5ab73a3da6482659b2 100644
--- a/net/base/dir_header.html
+++ b/net/base/dir_header.html
@@ -7,12 +7,16 @@ function addRow(name, url, isdir, size, date_modified) {
   if (name == ".")
     return;
 
+  var root = "" + document.location;

[wtc, 2009/09/04 18:08:09]

Just curious, why do we need the ""?

Would "parent_dir" or "current_dir" be a better name
than "root"?

[eroman, 2009/09/04 18:50:33]

Instead of document.location, you can use document.URL, which is already a
DOMString, and doesn't need to be stringized (also to stringize you could have
done document.location.toString())

+  if (root.substr(-1) !== "/")
+    root += "/";
+
   var table = document.getElementById("table");
   var row = document.createElement("tr");
   var file_cell = document.createElement("td");
   var link = document.createElement("a");
   if (name == "..") {
-    link.href = document.location + "/..";
+    link.href = root + "..";
     link.innerText = document.getElementById("parentDirText").innerText;
     size = "";
     date_modified = "";
@@ -23,7 +27,7 @@ function addRow(name, url, isdir, size, date_modified) {
       size = "";
     }
     link.innerText = name;
-    link.href = document.location + "/" + url;
+    link.href = root + url;
   }
   file_cell.appendChild(link);