Web restrictions component.

components/web_restrictions/browser/web_restrictions_resource_throttle.h

Index: components/web_restrictions/browser/web_restrictions_resource_throttle.h
diff --git a/components/web_restrictions/browser/web_restrictions_resource_throttle.h b/components/web_restrictions/browser/web_restrictions_resource_throttle.h
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+// 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_restrictions {
+
+class WebRestrictionsClient;
+
+class WebRestrictionsResourceThrottle : public content::ResourceThrottle {
+ public:
+  WebRestrictionsResourceThrottle(WebRestrictionsClient* provider,
+                                  const GURL& request_url,
+                                  bool is_main_frame);
+  ~WebRestrictionsResourceThrottle() 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);
+
+  WebRestrictionsClient* provider_;  // Not owned.
+
+  const GURL request_url_;
+  bool is_main_frame_;
+  base::WeakPtrFactory<WebRestrictionsResourceThrottle> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebRestrictionsResourceThrottle);
+};
+
+}  // namespace web_restrictions
+
+#endif  // COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTION_RESOURCE_THROTTLE_H_