Fix NamedProxyLauncher on Windows.

chrome/test/ui/named_interface_uitest.cc

Index: chrome/test/ui/named_interface_uitest.cc
diff --git a/chrome/test/ui/named_interface_uitest.cc b/chrome/test/ui/named_interface_uitest.cc
index 6f94722a690c1511139d9580eacfd52f7b88c89b..b839f071801b55c55980de5d3f5f6d0934b4dd79 100644
--- a/chrome/test/ui/named_interface_uitest.cc
+++ b/chrome/test/ui/named_interface_uitest.cc
@@ -21,13 +21,13 @@ class NamedInterfaceTest : public UITest {
   }
 
   virtual ProxyLauncher *CreateProxyLauncher() {
-    CommandLine::StringType channel_path =
-        CommandLine::ForCurrentProcess()->GetSwitchValueNative(
+    std::string channel_id =
+        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
             switches::kTestingChannel);
-    if (channel_path.empty())
-      channel_path = ProxyLauncher::kDefaultInterfacePath;
+    if (channel_id.empty())
+      channel_id = ProxyLauncher::kDefaultInterfaceId;
 
-    return new NamedProxyLauncher(channel_path, true, true);
+    return new NamedProxyLauncher(channel_id, true, true);
   }
 };