Implement delaying resource requests until privacy blacklists are ready.

chrome/browser/privacy_blacklist/blacklist_request_info.h

Index: chrome/browser/privacy_blacklist/blacklist_request_info.h
diff --git a/chrome/browser/privacy_blacklist/blacklist_request_info.h b/chrome/browser/privacy_blacklist/blacklist_request_info.h
new file mode 100644
index 0000000000000000000000000000000000000000..84a74d12849f2ddbe3d0dc3449267538476831f0
--- /dev/null
+++ b/chrome/browser/privacy_blacklist/blacklist_request_info.h
@@ -0,0 +1,47 @@
+// Copyright (c) 2009 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 CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_REQUEST_INFO_H_
+#define CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_REQUEST_INFO_H_
+
+#include "chrome/browser/privacy_blacklist/blacklist.h"
+#include "googleurl/src/gurl.h"
+#include "net/url_request/url_request.h"
+#include "webkit/glue/resource_type.h"
+
+class BlacklistManager;
+
+// Privacy blacklist-related information attached to each request.
+class BlacklistRequestInfo : public URLRequest::UserData {
+ public:
+  // Key used to access data attached to URLRequest objects.
+  static const void* const kURLRequestDataKey;
+
+  BlacklistRequestInfo(const GURL& url, ResourceType::Type resource_type,
+                       BlacklistManager* blacklist_manager);
+  ~BlacklistRequestInfo();
+
+  ResourceType::Type resource_type() const { return resource_type_; }
+  const BlacklistManager* GetBlacklistManager() const {
+    return blacklist_manager_.get();
+  }
+
+  // Get the blacklist request info stored in |request|, or NULL if there is no
+  // one. The object is owned by |request|.
+  static BlacklistRequestInfo* FromURLRequest(const URLRequest* request);
+
+ private:
+  // URL of the request.
+  const GURL url_;
+
+  // Type of the requested resource (main frame, image, etc).
+  const ResourceType::Type resource_type_;
+
+  // BlacklistManager used for the request.
+  scoped_refptr<BlacklistManager> blacklist_manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(BlacklistRequestInfo);
+};
+
+#endif  // CHROME_BROWSER_PRIVACY_BLACKLIST_BLACKLIST_REQUEST_INFO_H_