Revert of [Chromecast] Ignore interfaces not used to connect to internet....

Revert of [Chromecast] Ignore interfaces not used to connect to internet. (patchset #1 id:1 of https://codereview.chromium.org/1137483004/)

Reason for revert:
broke the Android builds. Not sure how "cast_shell_android" passed, actually.

Original issue's description:
> [Chromecast] Ignore interfaces not used to connect to internet.
>
> Add NetworkChangeNotifierFactoryCast to create instance of
> NetworkChangeNotifierLinux that ignores interfaces that will not be
> used to connect to internet.
>
> BUG=469863
> R=gunsch@chromium.org,byungchul@chromium.org,wzhong@chromium.org
>
> Committed: https://crrev.com/561d7adb5ec842c5e56ece4524d0e486691ca614
> Cr-Commit-Position: refs/heads/master@{#329319}

TBR=byungchul@chromium.org,wzhong@chromium.org,derekjchow@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=469863

Review URL: https://codereview.chromium.org/1141503002

Cr-Commit-Position: refs/heads/master@{#329348}

chromecast/browser/cast_browser_main_parts.cc

@@ -50,7 +50,6 @@
 #include "net/android/network_change_notifier_factory_android.h"
 #else
 #include "chromecast/browser/media/cast_browser_cdm_factory.h"
-#include "chromecast/net/network_change_notifier_factory_cast.h"
 #endif
 
 #if defined(USE_AURA)
@@ -228,9 +227,6 @@ void CastBrowserMainParts::PreMainMessageLoopStart() {
 #if defined(OS_ANDROID)
   net::NetworkChangeNotifier::SetFactory(
       new net::NetworkChangeNotifierFactoryAndroid());
-#else
-  net::NetworkChangeNotifier::SetFactory(
-      new NetworkChangeNotifierFactoryCast());
 #endif  // defined(OS_ANDROID)
 }
 

chromecast/chromecast.gyp

@@ -101,12 +101,8 @@
       'sources': [
         'net/connectivity_checker.cc',
         'net/connectivity_checker.h',
-        'net/network_change_notifier_factory_cast.cc',
-        'net/network_change_notifier_factory_cast.h',
         'net/net_switches.cc',
         'net/net_switches.h',
-        'net/net_util_cast.cc',
-        'net/net_util_cast.h',
       ],
     },
     {

chromecast/net/net_util_cast.cc

-// Copyright 2015 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 "chromecast/net/net_util_cast.h"
-
-#include "base/command_line.h"
-#include "base/strings/string_split.h"
-#include "chromecast/base/cast_sys_info_util.h"
-#include "chromecast/net/net_switches.h"
-#include "chromecast/public/cast_sys_info.h"
-
-namespace chromecast {
-
-base::hash_set<std::string> GetIgnoredInterfaces() {
-  base::hash_set<std::string> ignored_interfaces;
-  scoped_ptr<CastSysInfo> sys_info = CreateSysInfo();
-  if (!sys_info->GetApInterface().empty())
-    ignored_interfaces.insert(sys_info->GetApInterface());
-
-  // Add interfaces from "netif-to-ignore" switch.
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  base::CommandLine::StringType netifs_to_ignore_str =
-      command_line->GetSwitchValueNative(switches::kNetifsToIgnore);
-  base::CommandLine::StringVector netifs_to_ignore_vector;
-  base::SplitString(netifs_to_ignore_str, ',', &netifs_to_ignore_vector);
-  for (const auto& netif : netifs_to_ignore_vector)
-    ignored_interfaces.insert(netif);
-
-  return ignored_interfaces;
-}
-
-}  // namespace chromecast

chromecast/net/net_util_cast.h

-// Copyright 2015 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.
-
-#ifndef CHROMECAST_NET_NET_UTIL_H_
-#define CHROMECAST_NET_NET_UTIL_H_
-
-#include <string>
-
-#include "base/containers/hash_tables.h"
-
-namespace chromecast {
-
-// Gets the list of interfaces that should be ignored. The interfaces returned
-// by this function will not be used to connect to the internet.
-base::hash_set<std::string> GetIgnoredInterfaces();
-
-}  // namespace chromecast
-
-#endif  // CHROMECAST_NET_NET_UTIL_CAST_H_

chromecast/net/network_change_notifier_factory_cast.cc

-// Copyright 2015 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 "chromecast/net/network_change_notifier_factory_cast.h"
-
-#include "chromecast/net/net_util_cast.h"
-#include "net/base/network_change_notifier_linux.h"
-
-namespace chromecast {
-
-net::NetworkChangeNotifier* NetworkChangeNotifierFactoryCast::CreateInstance() {
-  // Caller assumes ownership.
-  return new net::NetworkChangeNotifierLinux(GetIgnoredInterfaces());
-}
-
-NetworkChangeNotifierFactoryCast::~NetworkChangeNotifierFactoryCast() {
-}
-
-}  // namespace chromecast

chromecast/net/network_change_notifier_factory_cast.h

-// Copyright 2015 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.
-
-#ifndef CHROMECAST_NET_NETWORK_CHANGE_NOTIFIER_FACTORY_CAST_H_
-#define CHROMECAST_NET_NETWORK_CHANGE_NOTIFIER_FACTORY_CAST_H_
-
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "net/base/network_change_notifier_factory.h"
-
-namespace chromecast {
-
-class NetworkChangeNotifierCast;
-
-class NetworkChangeNotifierFactoryCast
-    : public net::NetworkChangeNotifierFactory {
- public:
-  NetworkChangeNotifierFactoryCast() {}
-  ~NetworkChangeNotifierFactoryCast() override;
-
-  // net::NetworkChangeNotifierFactory implementation:
-  net::NetworkChangeNotifier* CreateInstance() override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierFactoryCast);
-};
-
-}  // namespace chromecast
-
-#endif  // CHROMECAST_NET_NETWORK_CHANGE_NOTIFIER_FACTORY_CAST_H_