Remove the blink dependency in device unittest.

device/BUILD.gn

 # 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.
 
 import("vr/features.gni")
 import("//build/config/features.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")  # For generate_jni().
@@ skipping 88 matching lines @@
     "//device/sensors",
     "//device/sensors/public/cpp:full",
     "//device/sensors/public/interfaces",
     "//device/wake_lock",
     "//mojo/common",
     "//mojo/edk/system",
     "//mojo/public/cpp/bindings",
     "//net",
     "//testing/gmock",
     "//testing/gtest",
-    "//third_party/WebKit/public:blink",
     "//third_party/WebKit/public:blink_headers",
     "//tools/usb_gadget",
     "//url",
   ]
 
   if (is_linux && !is_chromeos && use_dbus) {
     sources += [ "battery/battery_status_manager_linux_unittest.cc" ]
     deps += [ "//dbus:test_support" ]
   }
 
@@ skipping 194 matching lines @@
     ]
     srcjar_deps = [ "//device/gamepad:java_enums_srcjar" ]
   }
 
   java_cpp_enum("bluetooth_test_javagen") {
     sources = [
       "bluetooth/test/bluetooth_test.h",
     ]
   }
 }