Domain Reliability: Remove browsing data when requested.

components/domain_reliability/context.cc

 // 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.
 
 #include "components/domain_reliability/context.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/json/json_writer.h"
@@ skipping 151 matching lines @@
     reported = true;
     UMA_HISTOGRAM_SPARSE_SLOWLY("DomainReliability.ReportedBeaconError",
                                 -beacon.chrome_error);
     // TODO(ttuttle): Histogram HTTP response code?
   }
 
   UMA_HISTOGRAM_BOOLEAN("DomainReliability.BeaconReported", reported);
   UMA_HISTOGRAM_BOOLEAN("DomainReliability.OnBeaconDidEvict", evicted);
 }
 
+void DomainReliabilityContext::ClearBeacons() {
+  ResourceStateVector::iterator it;
+  for (it = states_.begin(); it != states_.end(); ++it) {
+    ResourceState* state = *it;
+    state->beacons.clear();
+    state->successful_requests = 0;
+    state->failed_requests = 0;
+    state->uploading_beacons_size = 0;
+    state->uploading_successful_requests = 0;
+    state->uploading_failed_requests = 0;
+  }
+  beacon_count_ = 0;
+  uploading_beacon_count_ = 0;
+}
+
 void DomainReliabilityContext::GetQueuedDataForTesting(
     size_t resource_index,
     std::vector<DomainReliabilityBeacon>* beacons_out,
     uint32* successful_requests_out,
     uint32* failed_requests_out) const {
   DCHECK_NE(DomainReliabilityConfig::kInvalidResourceIndex, resource_index);
   DCHECK_GT(states_.size(), resource_index);
   const ResourceState& state = *states_[resource_index];
   if (beacons_out)
     beacons_out->assign(state.beacons.begin(), state.beacons.end());
@@ skipping 105 matching lines @@
 
   min_resource->RemoveOldestBeacon();
   --beacon_count_;
   // If that just removed a beacon counted in uploading_beacon_count_, decrement
   // that.
   if (uploading_beacon_count_ > 0)
     --uploading_beacon_count_;
 }
 
 }  // namespace domain_reliability