Revert 85646 - Adds support for the DHCP portion of the WPAD (proxy auto-discovery) protocol.

This is Windows-only for now, and is disabled by default.  Start
Chrome with the flag --enable-dhcp-wpad to enable the feature.  See
discussion in comment on DhcpProxyScriptFetcherFactory for why this
needs to be done in a per-platform way rather than cross-platform.
The code is factored so that adding other platform implementations
will be straight forward.

Most of the implementation is stand-alone and extends the
ScriptProxyFetcher class hierarchy (and makes its interface slightly
more generic).  The integration point into existing code is in
InitProxyResolver, which previously handled fallback from DNS
auto-detect to custom PAC URL and now does fallback from DHCP to DNS
to custom PAC URL.

BUG=18575
TEST=net_unittests has good coverage for the new and changed code, but
manual tests on a network with a PAC URL configured in DHCP are also
needed.

Review URL: http://codereview.chromium.org/6831025

TBR=joi@chromium.org
Review URL: http://codereview.chromium.org/7019015

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@85648 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 0 insertions, 40 deletions

diff --git a/net/proxy/dhcpcsvc_init_win.cc b/net/proxy/dhcpcsvc_init_win.cc
deleted file mode 100644
index 3a0aa02..0000000
--- a/net/proxy/dhcpcsvc_init_win.cc
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright (c) 2011 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 "net/proxy/dhcpcsvc_init_win.h"
-
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-
-#include <dhcpcsdk.h>
-#include <dhcpv6csdk.h>
-
-namespace {
-
-class DhcpcsvcInitSingleton {
- public:
-  DhcpcsvcInitSingleton() {
-    DWORD version = 0;
-    DWORD err = DhcpCApiInitialize(&version);
-    DCHECK(err == ERROR_SUCCESS);  // DCHECK_EQ complains of unsigned mismatch.
-  }
-
-  ~DhcpcsvcInitSingleton() {
-    // Worker pool threads that use the DHCP API may still be running, so skip
-    // cleanup.
-  }
-};
-
-static base::LazyInstance<DhcpcsvcInitSingleton> g_dhcpcsvc_init_singleton(
-    base::LINKER_INITIALIZED);
-
-}  // namespace
-
-namespace net {
-
-void EnsureDhcpcsvcInit() {
-  g_dhcpcsvc_init_singleton.Get();
-}
-
-}  // namespace net