Remove CRWWebControllerProvider

ios/chrome/browser/web/web_controller_provider_factory_impl.mm

Index: ios/chrome/browser/web/web_controller_provider_factory_impl.mm
diff --git a/ios/chrome/browser/web/web_controller_provider_factory_impl.mm b/ios/chrome/browser/web/web_controller_provider_factory_impl.mm
deleted file mode 100644
index 04e508e92f24976d2ffcad8c2645c9231c1f66fa..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/web/web_controller_provider_factory_impl.mm
+++ /dev/null
@@ -1,22 +0,0 @@
-// 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/chrome/browser/web/web_controller_provider_factory_impl.h"
-
-#include "base/memory/ptr_util.h"
-#import "ios/chrome/browser/web/web_controller_provider_impl.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-WebControllerProviderFactoryImpl::WebControllerProviderFactoryImpl() {}
-
-WebControllerProviderFactoryImpl::~WebControllerProviderFactoryImpl() {}
-
-std::unique_ptr<ios::WebControllerProvider>
-WebControllerProviderFactoryImpl::CreateWebControllerProvider(
-    web::BrowserState* browser_state) {
-  return base::MakeUnique<WebControllerProviderImpl>(browser_state);
-}