Do not override User-Agent header added by WebCore

webkit/glue/weburlloader_impl.cc

Index: webkit/glue/weburlloader_impl.cc
diff --git a/webkit/glue/weburlloader_impl.cc b/webkit/glue/weburlloader_impl.cc
index 03725678847c9e448ee3b6831ae9fc98fe97fa3b..a646c258f02249f436c388ad9412a967cd7c2398 100644
--- a/webkit/glue/weburlloader_impl.cc
+++ b/webkit/glue/weburlloader_impl.cc
@@ -69,10 +69,8 @@ class HeaderFlattener : public WebHTTPHeaderVisitor {
     const std::string& value_utf8 = value.utf8();
 
     // Skip over referrer headers found in the header map because we already
-    // pulled it out as a separate parameter.  We likewise prune the UA since
-    // that will be added back by the network layer.
-    if (LowerCaseEqualsASCII(name_utf8, "referer") ||
-        LowerCaseEqualsASCII(name_utf8, "user-agent"))

[willchan no longer on Chromium, 2010/12/24 20:38:21]

So, does this mean that anything in WebCore can set User-Agent and the network
stack should respect it now?  How about XHR?

+    // pulled it out as a separate parameter.
+    if (LowerCaseEqualsASCII(name_utf8, "referer"))
       return;
 
     // Skip over "Cache-Control: max-age=0" header if the corresponding