Domain Reliability: Remove browsing data when requested.

components/domain_reliability/monitor.h

 // Copyright 2014 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_DOMAIN_RELIABILITY_MONITOR_H_
 #define COMPONENTS_DOMAIN_RELIABILITY_MONITOR_H_
 
 #include <map>
 
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "components/domain_reliability/beacon.h"
+#include "components/domain_reliability/clear_mode.h"
 #include "components/domain_reliability/config.h"
 #include "components/domain_reliability/context.h"
 #include "components/domain_reliability/dispatcher.h"
 #include "components/domain_reliability/domain_reliability_export.h"
 #include "components/domain_reliability/scheduler.h"
 #include "components/domain_reliability/uploader.h"
 #include "components/domain_reliability/util.h"
 #include "net/base/load_timing_info.h"
 #include "net/http/http_response_info.h"
 #include "net/url_request/url_request_status.h"
@@ skipping 24 matching lines @@
 
   // Should be called when |request| is about to follow a redirect. Will
   // examine and possibly log the redirect request.
   void OnBeforeRedirect(net::URLRequest* request);
 
   // Should be called when |request| is complete. Will examine and possibly
   // log the (final) request. (|started| should be true if the request was
   // actually started before it was terminated.)
   void OnCompleted(net::URLRequest* request, bool started);
 
+  // Called to remove browsing data. With CLEAR_BEACONS, leaves contexts in
+  // place but clears beacons (which betray browsing history); with
+  // CLEAR_CONTEXTS, removes all contexts (which can behave as cookies).
+  void ClearBrowsingData(DomainReliabilityClearMode mode);
+
   DomainReliabilityContext* AddContextForTesting(
       scoped_ptr<const DomainReliabilityConfig> config);
 
   size_t contexts_size_for_testing() const { return contexts_.size(); }
+  bool was_cleared_for_testing() const { return was_cleared_; }
+  DomainReliabilityClearMode cleared_mode_for_testing() const {
+    return cleared_mode_;
+  }
 
  private:
   friend class DomainReliabilityMonitorTest;
 
   typedef std::map<std::string, DomainReliabilityContext*> ContextMap;
 
   struct DOMAIN_RELIABILITY_EXPORT RequestInfo {
     RequestInfo();
     explicit RequestInfo(const net::URLRequest& request);
     ~RequestInfo();
 
     bool AccessedNetwork() const;
 
     GURL url;
     net::URLRequestStatus status;
     net::HttpResponseInfo response_info;
     int load_flags;
     net::LoadTimingInfo load_timing_info;
     bool is_upload;
   };
 
   // Creates a context, adds it to the monitor, and returns a pointer to it.
   // (The pointer is only valid until the Monitor is destroyed.)
   DomainReliabilityContext* AddContext(
       scoped_ptr<const DomainReliabilityConfig> config);
+  // Deletes all contexts from |contexts_| and clears the map.
+  void ClearContexts();
   void OnRequestLegComplete(const RequestInfo& info);
 
   scoped_ptr<MockableTime> time_;
   scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
   const std::string upload_reporter_string_;
   DomainReliabilityScheduler::Params scheduler_params_;
   DomainReliabilityDispatcher dispatcher_;
   scoped_ptr<DomainReliabilityUploader> uploader_;
   ContextMap contexts_;
 
+  bool was_cleared_;
+  DomainReliabilityClearMode cleared_mode_;
+
   DISALLOW_COPY_AND_ASSIGN(DomainReliabilityMonitor);
 };
 
 }  // namespace domain_reliability
 
 #endif  // COMPONENTS_DOMAIN_RELIABILITY_MONITOR_H_