Remove third_party/libjingle and update GN targets.

jingle/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/features.gni")
 import("//media/media_options.gni")
 import("//testing/test.gni")
 
 if (enable_webrtc || !is_android) {
   static_library("jingle_glue") {
     sources = [
       "glue/chrome_async_socket.cc",
       "glue/chrome_async_socket.h",
       "glue/fake_ssl_client_socket.cc",
       "glue/fake_ssl_client_socket.h",
       "glue/proxy_resolving_client_socket.cc",
       "glue/proxy_resolving_client_socket.h",
       "glue/resolving_client_socket_factory.h",
       "glue/task_pump.cc",
       "glue/task_pump.h",
       "glue/thread_wrapper.cc",
       "glue/thread_wrapper.h",
       "glue/utils.cc",
       "glue/utils.h",
       "glue/xmpp_client_socket_factory.cc",
       "glue/xmpp_client_socket_factory.h",
     ]
     public_deps = [
-      "//third_party/libjingle",
+      "//third_party/webrtc_overrides",
     ]
     deps = [
       "//base",
       "//base/third_party/dynamic_annotations",
       "//net",
     ]
 
     configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
     if (is_nacl) {
@@ skipping 52 matching lines @@
       "notifier/listener/send_ping_task.cc",
       "notifier/listener/send_ping_task.h",
       "notifier/listener/xml_element_util.cc",
       "notifier/listener/xml_element_util.h",
       "notifier/listener/xmpp_push_client.cc",
       "notifier/listener/xmpp_push_client.h",
     ]
     defines = [ "_CRT_SECURE_NO_WARNINGS" ]
 
     public_deps = [
-      "//third_party/libjingle",
       "//third_party/libjingle_xmpp",
+      "//third_party/webrtc_overrides",
     ]
     deps = [
       ":jingle_glue",
       "//base",
       "//net",
       "//third_party/expat",
       "//url",
     ]
   }
 
@@ skipping 50 matching lines @@
         # EXPECT_DEBUG_DEATH() uses features not enabled.
         # Should we -std=c++0x or -std=gnu++0x?
         "glue/chrome_async_socket_unittest.cc",
         "notifier/base/xmpp_connection_unittest.cc",
       ]
     }
 
     configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
     public_deps = [
-      "//third_party/libjingle",
       "//third_party/libjingle_xmpp",
+      "//third_party/webrtc_overrides",
     ]
     deps = [
       ":jingle_glue",
       ":notifier",
       ":notifier_test_util",
       "//base",
       "//base/test:run_all_unittests",
       "//base/test:test_support",
       "//net",
       "//net:test_support",
@@ skipping 21 matching lines @@
     ]
     deps = [
       "//base",
       "//net",
     ]
   }
 
   source_set("notifier_test_util") {
   }
 }