Remove third_party/libjingle and update GN targets.

third_party/libjingle/webrtc/BUILD.gn

Index: third_party/libjingle/webrtc/BUILD.gn
diff --git a/third_party/libjingle/webrtc/BUILD.gn b/third_party/libjingle/webrtc/BUILD.gn
deleted file mode 100644
index 413d103418d51811b95c454105958f05806e706d..0000000000000000000000000000000000000000
--- a/third_party/libjingle/webrtc/BUILD.gn
+++ /dev/null
@@ -1,66 +0,0 @@
-# Copyright 2016 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.
-
-# This file contains the webrtc-related build targets. They are in a separate
-# directory so the embedder can decide whether it wants to use webrtc by
-# just depending on these or not, eliminating the need for build flags at this
-# layer.
-
-# TODO(kjellander): Move this target into //third_party/webrtc_overrides as
-# soon as the work in bugs.webrtc.org/4256 has gotten rid of the duplicated
-# source listings.
-static_library("libjingle_webrtc") {
-  sources = [
-    "//third_party/webrtc_overrides/init_webrtc.cc",
-    "//third_party/webrtc_overrides/init_webrtc.h",
-  ]
-  configs += [
-    "//third_party/libjingle:jingle_unexported_configs",
-    "//third_party/webrtc:common_config",
-  ]
-  public_configs = [
-    "//third_party/libjingle:jingle_public_configs",
-    "//third_party/webrtc:common_inherited_config",
-  ]
-  public_deps = [
-    ":libjingle_webrtc_common",
-  ]
-}
-
-source_set("libjingle_webrtc_common") {
-  configs += [
-    "//third_party/libjingle:jingle_unexported_configs",
-    "//third_party/webrtc:common_config",
-  ]
-  public_configs = [
-    "//third_party/libjingle:jingle_public_configs",
-    "//third_party/webrtc:common_inherited_config",
-  ]
-
-  deps = [
-    "//third_party/libjingle:libjingle",
-    "//third_party/libsrtp",
-    "//third_party/usrsctp",
-    "//third_party/webrtc/api:libjingle_peerconnection",
-    "//third_party/webrtc/media:rtc_media",
-    "//third_party/webrtc/media:rtc_media_base",
-    "//third_party/webrtc/modules/media_file",
-    "//third_party/webrtc/modules/video_capture",
-    "//third_party/webrtc/pc:rtc_pc",
-    "//third_party/webrtc/system_wrappers",
-    "//third_party/webrtc/voice_engine",
-  ]
-}
-
-static_library("libstunprober") {
-  p2p_dir = "//third_party/webrtc/p2p"
-  sources = [
-    "$p2p_dir/stunprober/stunprober.cc",
-  ]
-
-  deps = [
-    ":libjingle_webrtc_common",
-    "//third_party/webrtc/base:rtc_base",
-  ]
-}