Split up ios/web:test_support.

ios/chrome/browser/find_in_page/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("//ios/web/js_compile.gni")
 
 source_set("find_in_page") {
   configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
     "find_in_page_controller.h",
@@ skipping 28 matching lines @@
   sources = [
     "find_tab_helper_unittest.mm",
   ]
   deps = [
     ":find_in_page",
     ":unit_tests_nonarc",
     "//base",
     "//base/test:test_support",
     "//ios/chrome/browser/web:test_support",
     "//ios/web",
-    "//ios/web:test_support",
+    "//ios/web/public/test:test_support",
+    "//ios/web/public/test/fakes:test_support",
     "//testing/gtest",
   ]
 }
 
 source_set("unit_tests_nonarc") {
   testonly = true
   sources = [
     "find_in_page_js_unittest.mm",
     "js_findinpage_manager_unittest.mm",
   ]
   deps = [
     ":find_in_page",
     "//base",
     "//base/test:test_support",
     "//ios/chrome/browser/web:test_support",
     "//ios/web",
-    "//ios/web:test_support",
     "//testing/gtest",
   ]
 }