[Clean-up] Prune unnecessary dependencies from //device/bluetooth.

device/bluetooth/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("//tools/grit/grit_rule.gni")
 
 config("bluetooth_config") {
   if (is_win) {
     ldflags = [
       # Despite MSDN stating that Bthprops.dll contains the
@@ skipping 78 matching lines @@
     "bluetooth_task_manager_win.h",
     "bluetooth_uuid.cc",
     "bluetooth_uuid.h",
   ]
 
   all_dependent_configs = [ ":bluetooth_config" ]
 
   deps = [
     ":strings",
     "//base",
-    "//base/third_party/dynamic_annotations",
     "//net",
-    "//third_party/libxml",
     "//ui/base",
-    "//ui/gfx",
-    "//ui/gfx/geometry",
   ]
 
   if (is_chromeos) {
     deps += [
       "//dbus",
       #'../../chromeos/chromeos.gyp:chromeos',  TODO(GYP)
     ]
   }
 
   if (is_mac) {
@@ skipping 83 matching lines @@
     "test/mock_bluetooth_gatt_service.h",
     "test/mock_bluetooth_socket.cc",
     "test/mock_bluetooth_socket.h",
   ]
 
   deps = [
     ":bluetooth",
     "//testing/gmock",
   ]
 }