Remove CRWWebControllerProvider

ios/chrome/browser/web/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("web") {
   configs += [ "//build/config/compiler:enable_arc" ]
   sources = [
     "dom_altering_lock.h",
     "dom_altering_lock.mm",
     "network_activity_indicator_tab_helper.h",
     "network_activity_indicator_tab_helper.mm",
     "resubmit_data_controller.h",
     "resubmit_data_controller.mm",
   ]
   deps = [
     "//base",
     "//components/strings",
     "//ios/chrome/browser/ui",
     "//ios/web",
     "//ui/base",
   ]
-  public_deps = [
-    ":web_arc",
-  ]
-}
-
-source_set("web_arc") {
-  visibility = [ ":web" ]
-  sources = [
-    "web_controller_provider_factory_impl.h",
-    "web_controller_provider_factory_impl.mm",
-    "web_controller_provider_impl.h",
-    "web_controller_provider_impl.mm",
-  ]
-  deps = [
-    "//base",
-    "//ios/public/provider/web",
-    "//ios/web",
-    "//url",
-  ]
-  configs += [ "//build/config/compiler:enable_arc" ]
 }
 
 source_set("unit_tests") {
   configs += [ "//build/config/compiler:enable_arc" ]
   testonly = true
   sources = [
     "network_activity_indicator_tab_helper_unittest.mm",
   ]
   deps = [
     ":web",
@@ skipping 261 matching lines @@
 # Clean Skeleton targets.
 source_set("web_clean_skeleton") {
   sources = [
     "web_mediator+internal.h",
     "web_mediator.h",
     "web_mediator.mm",
   ]
 
   configs += [ "//build/config/compiler:enable_arc" ]
 }