Remove third_party/libjingle and update GN targets.

chrome/browser/ui/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/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 578 matching lines @@
     "//storage/browser",
     "//storage/common",
     "//third_party/WebKit/public:features",
     "//third_party/WebKit/public:resources",
     "//third_party/adobe/flash:flapper_version_h",
     "//third_party/brotli:dec",
     "//third_party/cacheinvalidation",
     "//third_party/cld:cld_version",
     "//third_party/icu",
     "//third_party/leveldatabase",
-    "//third_party/libjingle",
     "//third_party/re2",
+    "//third_party/webrtc_overrides",
     "//third_party/zlib",
     "//ui/accessibility",
     "//ui/base",
     "//ui/base/ime",
     "//ui/compositor",
     "//ui/content_accelerators",
     "//ui/display",
     "//ui/display/manager",
     "//ui/events",
     "//ui/events:gesture_detection",
@@ skipping 2923 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }