Replace TabModel with WebStateList in GoogleLandingController.

ios/chrome/browser/ui/ntp/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.
 
 bundle_data("resources") {
   sources = [
     "resources/bookmarks_bar_bg.png",
     "resources/bookmarks_bar_bg@2x.png",
     "resources/bookmarks_bar_bg@2x~ipad.png",
     "resources/bookmarks_bar_bg_pressed@2x~ipad.png",
@@ skipping 169 matching lines @@
     "//ios/chrome/browser/sync",
     "//ios/chrome/browser/tabs",
     "//ios/chrome/browser/ui",
     "//ios/chrome/browser/ui/bookmarks",
     "//ios/chrome/browser/ui/commands",
     "//ios/chrome/browser/ui/context_menu",
     "//ios/chrome/browser/ui/ntp/recent_tabs",
     "//ios/chrome/browser/ui/overscroll_actions",
     "//ios/chrome/browser/ui/toolbar",
     "//ios/chrome/browser/ui/toolbar:resource_macros",
+    "//ios/chrome/browser/web_state_list",
     "//ios/chrome/common",
     "//ios/public/provider/chrome/browser",
     "//ios/public/provider/chrome/browser/images",
     "//ios/public/provider/chrome/browser/ui",
     "//ios/public/provider/chrome/browser/voice",
     "//ios/third_party/material_components_ios",
     "//ios/third_party/material_roboto_font_loader_ios",
     "//ios/web",
     "//net",
     "//skia",
@@ skipping 29 matching lines @@
     "//components/prefs:test_support",
     "//components/search_engines",
     "//components/sessions",
     "//components/variations",
     "//ios/chrome/app/strings",
     "//ios/chrome/browser",
     "//ios/chrome/browser/bookmarks",
     "//ios/chrome/browser/browser_state:test_support",
     "//ios/chrome/browser/search_engines",
     "//ios/chrome/browser/sessions",
+    "//ios/chrome/browser/sessions:test_support",
+    "//ios/chrome/browser/tabs",
     "//ios/chrome/browser/ui",
     "//ios/chrome/browser/ui/commands",
+    "//ios/chrome/browser/web_state_list:test_support",
+    "//ios/chrome/browser/web_state_list:web_state_list",
     "//ios/chrome/test:test_support",
     "//ios/public/provider/chrome/browser/images",
     "//ios/web:test_support",
     "//testing/gtest",
     "//third_party/ocmock",
     "//ui/base",
     "//url",
   ]
 }
 
@@ skipping 26 matching lines @@
     "new_tab_page_perftest.mm",
   ]
   deps = [
     "//base/test:test_support",
     "//ios/chrome/browser/sessions",
     "//ios/chrome/browser/tabs",
     "//ios/chrome/browser/test:perf_test_support",
     "//ios/chrome/browser/ui:ui_internal",
   ]
 }