[Webkit-unassigned] [Bug 55973] [Gtk] Provide a WebView knob to disable DNS prefetching

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=55973


Alexey Proskuryakov <ap at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Provide a WebView knob to   |[Gtk] Provide a WebView
                   |disable DNS prefetching     |knob to disable DNS
                   |                            |prefetching
                 CC|                            |ap at webkit.org




--- Comment #4 from Alexey Proskuryakov <ap at webkit.org>  2011-03-09 10:22:33 PST ---
It's quite hard to test DNS prefetch impact. Once you access a site once, DNS records are cached on your computer, as well as on your provider's server, so tests aren't repeatable.

I believe that Google gets its numbers by enabling features like this for a certain percentage of Chrome users, and watching average page load speed, and their data suggested an improvement.

--- WebCore/dom/Document.cpp.orig    Fri Sep 10 08:20:33 2010
+++ WebCore/dom/Document.cpp    Tue Mar  8 10:16:45 2011

It's really weird to see branch patches that aren't made against any svn.webkit.org code.

         bool m_tiledBackingStoreEnabled : 1;
+    bool m_dnsPrefetchingEnabled : 1;

Tab here. Since the patch isn't made against current sources (and since it's also not marked for review), style bot won't automatically report problems.

+        priv->dns_prefetching = g_value_get_boolean(value);
+    break;

More tabs.

+        g_value_set_boolean(value, priv->dns_prefetching);
+    break;

Ditto.

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