Adds DNS prefetch support to Chromecast.

chromecast/renderer/prescient_networking_dispatcher.cc

Index: chromecast/renderer/prescient_networking_dispatcher.cc
diff --git a/chrome/renderer/net/prescient_networking_dispatcher.cc b/chromecast/renderer/prescient_networking_dispatcher.cc
similarity index 56%
copy from chrome/renderer/net/prescient_networking_dispatcher.cc
copy to chromecast/renderer/prescient_networking_dispatcher.cc
index be42b3ec0ee3c8d5e6d693abf096aa9689f0a0ae..e37d466ba482332d0a693bffd3841b96475433af 100644
--- a/chrome/renderer/net/prescient_networking_dispatcher.cc
+++ b/chromecast/renderer/prescient_networking_dispatcher.cc
@@ -1,12 +1,13 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2014 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 "chrome/renderer/net/prescient_networking_dispatcher.h"
+#include "chromecast/renderer/prescient_networking_dispatcher.h"
 
-#include "base/strings/utf_string_conversions.h"
+#include "base/logging.h"
 
-using blink::WebPrescientNetworking;
+namespace chromecast {
+namespace shell {
 
 PrescientNetworkingDispatcher::PrescientNetworkingDispatcher() {
 }
@@ -16,9 +17,13 @@ PrescientNetworkingDispatcher::~PrescientNetworkingDispatcher() {
 
 void PrescientNetworkingDispatcher::prefetchDNS(
     const blink::WebString& hostname) {
+  VLOG(2) << "Prefetch DNS: " << hostname.utf8();
   if (hostname.isEmpty())
     return;
 
-  std::string hostname_utf8 = base::UTF16ToUTF8(hostname);
+  std::string hostname_utf8 = hostname.utf8();
   net_predictor_.Resolve(hostname_utf8.data(), hostname_utf8.length());
 }
+
+}  // namespace shell
+}  // namespace chromecast