Reduce/Remove URLRequest dependencies from AppCacheRequestHandler

content/browser/appcache/appcache_request.cc

+// Copyright (c) 2017 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 "content/browser/appcache/appcache_request.h"
+#include "content/common/appcache_interfaces.h"
+#include "net/url_request/url_request.h"
+
+namespace content {
+
+// static
+bool AppCacheRequest::IsSchemeAndMethodSupportedForAppCache(
+    const AppCacheRequest* request) {
+  return IsSchemeSupportedForAppCache(request->GetURL()) &&
+         IsMethodSupportedForAppCache(request->GetMethod());
+}
+
+net::URLRequest* AppCacheRequest::GetURLRequest() {
+  return nullptr;
+}
+
+ResourceRequest* AppCacheRequest::GetResourceRequest() {
+  return nullptr;
+}
+
+}  // namespace content