[WIP] WebRestrictions

components/web_restriction/web_restriction_resource_throttle.h

+// 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.
+
+#ifndef COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTION_RESOURCE_THROTTLE_H_
+#define COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTION_RESOURCE_THROTTLE_H_
+
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+#include "content/public/browser/resource_throttle.h"
+#include "url/gurl.h"
+
+namespace net {
+class URLRequest;
+}
+
+namespace web_restriction {
+
+class WebRestrictionProvider;
+
+class WebRestrictionResourceThrottle : public content::ResourceThrottle {
+ public:
+  WebRestrictionResourceThrottle(WebRestrictionProvider* provider,
+                                 const GURL& request_url,
+                                 bool is_main_frame);
+  ~WebRestrictionResourceThrottle() override;
+
+  // content::ResourceThrottle implementation:
+  void WillStartRequest(bool* defer) override;
+  void WillRedirectRequest(const net::RedirectInfo& redirect_info,
+                           bool* defer) override;
+  const char* GetNameForLogging() const override;
+
+ private:
+  bool ShouldDefer(const GURL& url);
+
+  void OnCheckResult(bool should_proceed);
+
+  WebRestrictionProvider* provider_;  // Not owned.
+
+  const GURL request_url_;
+  bool is_main_frame_;
+  base::WeakPtrFactory<WebRestrictionResourceThrottle> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebRestrictionResourceThrottle);
+};
+
+}  // namespace web_restriction
+
+#endif  // COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTION_RESOURCE_THROTTLE_H_