Use the first_party_for_cookies URL to filter which requests the WebRequest API sees

chrome/browser/extensions/api/web_request/web_request_api_helpers.h

 // Copyright (c) 2012 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.
 
 // Helper classes and functions used for the WebRequest API.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_HELPERS_H_
 #define CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_HELPERS_H_
 #pragma once
 
@@ skipping 10 matching lines @@
 #include "net/base/net_log.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "webkit/glue/resource_type.h"
 
 namespace base {
 class ListValue;
 class Value;
 }
 
+namespace net {
+class BoundNetLog;
+class URLRequest;
+}
+
 namespace extension_web_request_api_helpers {
 
 typedef std::pair<std::string, std::string> ResponseHeader;
 typedef std::vector<ResponseHeader> ResponseHeaders;
 
 // Contains the modification an extension wants to perform on an event.
 struct EventResponseDelta {
   // ID of the extension that sent this response.
   std::string extension_id;
 
@@ skipping 131 matching lines @@
 // if any, will have its authentication credentials used. |request| must be
 // non-NULL, and contain |deltas| that are sorted in decreasing order of
 // precedence.
 // Returns whether authentication credentials are set.
 bool MergeOnAuthRequiredResponses(
     const EventResponseDeltas& deltas,
     net::AuthCredentials* auth_credentials,
     std::set<std::string>* conflicting_extensions,
     EventLogEntries* event_log_entries);
 
-// Returns true if requests for |url| shall not be reported to extensions.
-bool HideRequestForURL(const GURL& url);
+// Returns true if the request shall not be reported to extensions.
+bool HideRequest(net::URLRequest* request);
 
 // Returns whether |type| is a ResourceType that is handled by the web request
 // API.
 bool IsRelevantResourceType(ResourceType::Type type);
 
 // Returns a string representation of |type| or |other| if |type| is not handled
 // by the web request API.
 const char* ResourceTypeToString(ResourceType::Type type);
 
 // Stores a |ResourceType::Type| representation in |type| if |type_str| is
 // a resource type handled by the web request API. Returns true in case of
 // success.
 bool ParseResourceType(const std::string& type_str,
                        ResourceType::Type* type);
 
 }  // namespace extension_web_request_api_helpers
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_WEB_REQUEST_WEB_REQUEST_API_HELPERS_H_