Split up ios/web:test_support.

ios/chrome/browser/ui/authentication/BUILD.gn

 # Copyright 2016 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/chrome_build.gni")
 
 bundle_data("resources") {
   sources = [
     "resources/signin_confirmation_more.png",
     "resources/signin_confirmation_more@2x.png",
@@ skipping 162 matching lines @@
     "//ios/chrome/browser/browser_state:test_support",
     "//ios/chrome/browser/infobars",
     "//ios/chrome/browser/prefs:browser_prefs",
     "//ios/chrome/browser/signin",
     "//ios/chrome/browser/signin:test_support",
     "//ios/chrome/browser/ui/colors",
     "//ios/chrome/browser/ui/commands",
     "//ios/chrome/test:test_support",
     "//ios/public/provider/chrome/browser/signin:test_support",
     "//ios/third_party/material_components_ios",
-    "//ios/web:test_support",
+    "//ios/web/public/test:test_support",
     "//testing/gtest",
     "//third_party/ocmock",
     "//ui/base",
   ]
 }
 
 source_set("eg_tests") {
   configs += [ "//build/config/compiler:enable_arc" ]
   testonly = true
   sources = [
@@ skipping 12 matching lines @@
     "//ios/chrome/browser/ui/tools_menu",
     "//ios/chrome/test/app:test_support",
     "//ios/chrome/test/earl_grey:test_support",
     "//ios/public/provider/chrome/browser/signin:test_support",
     "//ios/testing:ios_test_support",
     "//ios/testing/earl_grey:earl_grey_support",
     "//ios/third_party/earl_grey",
   ]
   libs = [ "XCTest.framework" ]
 }