Split up ios/web:test_support.

ios/chrome/browser/ui/bookmarks/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.
 
 source_set("bookmarks") {
   configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
     "bookmark_collection_cells.h",
     "bookmark_collection_cells.mm",
     "bookmark_collection_view.h",
@@ skipping 126 matching lines @@
     "bookmark_utils_ios_unittest.mm",
   ]
   deps = [
     ":bookmarks",
     "//base",
     "//components/bookmarks/browser",
     "//components/bookmarks/test",
     "//ios/chrome/browser",
     "//ios/chrome/browser/bookmarks",
     "//ios/chrome/browser/browser_state:test_support",
-    "//ios/web:test_support",
+    "//ios/web/public/test",
     "//testing/gtest",
   ]
 }
 
 source_set("eg_tests") {
   configs += [ "//build/config/compiler:enable_arc" ]
   testonly = true
   sources = [
     "bookmarks_egtest.mm",
   ]
   deps = [
     "//base",
     "//components/bookmarks/browser",
     "//components/prefs",
     "//components/strings",
     "//ios/chrome/app/strings",
     "//ios/chrome/browser",
     "//ios/chrome/browser/bookmarks",
     "//ios/chrome/browser/bookmarks:bookmarks_utils",
     "//ios/chrome/browser/browser_state",
     "//ios/chrome/browser/ui",
     "//ios/chrome/browser/ui/commands",
     "//ios/chrome/browser/ui/toolbar",
     "//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/third_party/earl_grey",
-    "//ios/web:test_support",
+    "//ios/web/public/test/http_server",
     "//ui/base",
     "//url",
   ]
   libs = [
     "UIKit.framework",
     "XCTest.framework",
   ]
 }
 
 bundle_data("resources") {
@@ skipping 59 matching lines @@
     "resources/bookmark_white_edit@2x.png",
     "resources/bookmark_white_edit@3x.png",
     "resources/bookmark_white_move.png",
     "resources/bookmark_white_move@2x.png",
     "resources/bookmark_white_move@3x.png",
   ]
   outputs = [
     "{{bundle_resources_dir}}/{{source_file_part}}",
   ]
 }