Reduce/Remove URLRequest dependencies from AppCacheRequestHandler

content/browser/appcache/appcache_url_request.h

Index: content/browser/appcache/appcache_url_request.h
diff --git a/content/browser/appcache/appcache_url_request.h b/content/browser/appcache/appcache_url_request.h
new file mode 100644
index 0000000000000000000000000000000000000000..f40c792df7afe86502b9468dc0d58f8f92222601
--- /dev/null
+++ b/content/browser/appcache/appcache_url_request.h
@@ -0,0 +1,48 @@
+// 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.
+
+#ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_URL_REQUEST_H_
+#define CONTENT_BROWSER_APPCACHE_APPCACHE_URL_REQUEST_H_
+
+#include "content/browser/appcache/appcache_request.h"
+#include "content/common/content_export.h"
+
+namespace net {
+class URLRequest;
+}  // namespace net
+
+namespace content {
+
+// AppCacheRequest wrapper for the URLRequest class.
+class CONTENT_EXPORT AppCacheURLRequest : public AppCacheRequest {
+ public:
+  // Factory function to create an instance of the AppCacheURLRequest class.
+  static AppCacheURLRequest* Create(net::URLRequest* url_request);
+
+  // AppCacheRequest overrides.
+  const GURL& GetURL() const override;
+  const std::string& GetMethod() const override;
+  const GURL& GetFirstPartyForCookies() const override;
+  const GURL GetReferrer() const override;
+  bool IsSuccess() const override;
+  bool IsCancelled() const override;
+  bool IsError() const override;
+  int GetResponseCode() const override;
+  std::string GetResponseHeaderByName(const std::string& name) const override;
+
+  net::URLRequest* GetURLRequest() override;
+
+ protected:
+  AppCacheURLRequest(net::URLRequest* url_request);
+  ~AppCacheURLRequest() override;
+
+ private:
+  net::URLRequest* url_request_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppCacheURLRequest);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_REQUEST_H_