Reversed WebState <-> CRWWebController ownership.

ios/web/BUILD.gn

 # Copyright 2015 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("//testing/test.gni")
 import("//ios/web/js_compile.gni")
 
 source_set("web") {
   deps = [
     ":core",
@@ skipping 108 matching lines @@
     "public/url_scheme_util.h",
     "public/url_schemes.h",
     "public/url_schemes.mm",
     "public/url_util.h",
     "public/user_metrics.h",
     "public/web/url_data_source_ios.h",
     "public/web_capabilities.cc",
     "public/web_capabilities.h",
     "public/web_client.h",
     "public/web_client.mm",
-    "public/web_controller_factory.h",
-    "public/web_controller_factory.mm",
     "public/web_kit_constants.h",
     "public/web_state/credential.h",
     "public/web_state/crw_web_controller_observer.h",
     "public/web_state/crw_web_user_interface_delegate.h",
     "public/web_state/crw_web_view_proxy.h",
     "public/web_state/crw_web_view_scroll_view_proxy.h",
     "public/web_state/global_web_state_observer.h",
     "public/web_state/js/credential_util.h",
     "public/web_state/js/crw_js_injection_evaluator.h",
     "public/web_state/js/crw_js_injection_manager.h",
@@ skipping 304 matching lines @@
   public_deps = [
     ":web_bundle",
   ]
 
   sources = [
     "web_state/js/resources/plugin_placeholder.js",
     "web_state/js/resources/window_id.js",
     "webui/resources/web_ui.js",
   ]
 }