Remove link_chrome_on_windows GN flag.

cc/blink/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("//testing/test.gni")
 
 # GYP version: //cc/blink/cc_blink.gyp:cc_blink
 component("blink") {
   output_name = "cc_blink"
 
@@ skipping 54 matching lines @@
     "//cc",
     "//gpu",
     "//third_party/WebKit/public:blink",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 }
 
 # GYP version: //cc/blink/cc_blink_tests.gyp:cc_blink_unittests
 # TODO(GYP): make linking work on the mac.
-if (!is_mac && (!is_win || link_chrome_on_windows)) {
+if (!is_mac) {
   test("cc_blink_unittests") {
     sources = [
       "web_animation_unittest.cc",
       "web_float_animation_curve_unittest.cc",
       "web_layer_impl_fixed_bounds_unittest.cc",
     ]
 
     deps = [
       ":blink",
       "//base/test:run_all_unittests",
       "//base/third_party/dynamic_annotations",
       "//skia",
       "//testing/gtest",
       "//ui/gfx/geometry",
       "//ui/gfx:test_support",
       "//cc",
       "//cc:test_support",
     ]
   }
 }