Remove link_chrome_on_windows GN flag.

content/test/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
@@ skipping 229 matching lines @@
     generate_jni("jni") {
       sources = [
         "../public/test/android/javatests/src/org/chromium/content/browser/test/NestedSystemMessageHandler.java",
       ]
       jni_package = "content/public/test"
     }
   }
 }  # !is_ios
 
 # TODO(GYP) enable content_browsertests on Mac when it links.
-if (!is_mac && (!is_win || link_chrome_on_windows)) {
+if (!is_mac) {
   test("content_browsertests") {
     sources =
         rebase_path(content_tests_gypi_values.content_browsertests_sources,
                     ".",
                     "//content")
 
     defines = [ "HAS_OUT_OF_PROC_TEST_RUNNER" ]
 
     configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
@@ skipping 171 matching lines @@
               "//content")
     }
 
     if (!use_aura) {
       sources -=
           [ "../browser/web_contents/web_contents_view_aura_browsertest.cc" ]
     }
   }
 }
 
-if (!is_mac && (!is_win || link_chrome_on_windows)) {  # TODO(GYP) enable on Mac once it links.
+if (!is_mac) {  # TODO(GYP) enable on Mac once it links.
   test("content_unittests") {
     sources = rebase_path(content_tests_gypi_values.content_unittests_sources,
                           ".",
                           "//content")
     deps = [
       ":test_support",
       "//base/allocator",
       "//base/test:test_support",
       "//content/browser/service_worker:service_worker_proto",
       "//content/browser/speech/proto",
@@ skipping 171 matching lines @@
       sources -=
           [ "../browser/compositor/software_output_device_ozone_unittest.cc" ]
     }
 
     if (is_mac && use_openssl) {
       deps += [ "//third_party/boringssl" ]
     }
   }
 }
 
-if (!is_mac && (!is_win || link_chrome_on_windows)) {  # TODO(GYP) enable on Mac once it links.
+if (!is_mac) {  # TODO(GYP) enable on Mac once it links.
   test("content_perftests") {
     sources = [
       "../browser/net/sqlite_persistent_cookie_store_perftest.cc",
       "../browser/renderer_host/input/input_router_impl_perftest.cc",
       "../common/cc_messages_perftest.cc",
       "../test/run_all_perftests.cc",
     ]
     deps = [
       "//base/allocator",
       "//base/test:test_support",
@@ skipping 57 matching lines @@
       "//content/public/common",
       "//testing/gtest",
       "//third_party/WebKit/public:blink",
       "//ui/base",
       "//ui/gfx",
       "//ui/gfx/geometry",
       "//ui/gl",
     ]
   }
 }