Make DHCP WPAD on by default.

net/proxy/dhcp_proxy_script_fetcher_factory_unittest.cc

Index: net/proxy/dhcp_proxy_script_fetcher_factory_unittest.cc
diff --git a/net/proxy/dhcp_proxy_script_fetcher_factory_unittest.cc b/net/proxy/dhcp_proxy_script_fetcher_factory_unittest.cc
index a9ed9c3b1b320d51ce5ee90e2805ca8b2a6ef446..e28cc192046b97bbc96fe3f4866e2c9708d2da63 100644
--- a/net/proxy/dhcp_proxy_script_fetcher_factory_unittest.cc
+++ b/net/proxy/dhcp_proxy_script_fetcher_factory_unittest.cc
@@ -12,6 +12,7 @@ namespace {
 
 TEST(DhcpProxyScriptFetcherFactoryTest, DoNothingWhenDisabled) {
   DhcpProxyScriptFetcherFactory factory;
+  factory.set_enabled(false);
   scoped_ptr<DhcpProxyScriptFetcher> fetcher(factory.Create(NULL));
   EXPECT_EQ("", fetcher->GetFetcherName());
 }
@@ -37,7 +38,11 @@ TEST(DhcpProxyScriptFetcherFactoryTest, IsSupported) {
 
 TEST(DhcpProxyScriptFetcherFactoryTest, SetEnabled) {
   DhcpProxyScriptFetcherFactory factory;
+#if defined(OS_WIN)
+  EXPECT_TRUE(factory.enabled());
+#else
   EXPECT_FALSE(factory.enabled());
+#endif  // defined(OS_WIN)
 
   factory.set_enabled(false);
   EXPECT_FALSE(factory.enabled());