Remove CRWWebControllerProvider

ios/public/provider/web/web_controller_provider.mm

Index: ios/public/provider/web/web_controller_provider.mm
diff --git a/ios/public/provider/web/web_controller_provider.mm b/ios/public/provider/web/web_controller_provider.mm
deleted file mode 100644
index 15f09441b79bc025be27f25d10bc8dd0935f2b2c..0000000000000000000000000000000000000000
--- a/ios/public/provider/web/web_controller_provider.mm
+++ /dev/null
@@ -1,33 +0,0 @@
-// 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.
-
-#include "ios/public/provider/web/web_controller_provider.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-namespace ios {
-
-WebControllerProvider::WebControllerProvider(web::BrowserState* browser_state) {
-}
-
-WebControllerProvider::~WebControllerProvider() {}
-
-bool WebControllerProvider::SuppressesDialogs() const {
-  return false;
-}
-
-web::WebState* WebControllerProvider::GetWebState() const {
-  return nullptr;
-}
-
-void WebControllerProvider::InjectScript(
-    const std::string& script,
-    web::JavaScriptResultBlock completion) {
-  if (completion)
-    completion(nil, nil);
-}
-
-}  // namespace ios