Domain Reliability: Remove browsing data when requested.

components/domain_reliability/monitor.cc

Index: components/domain_reliability/monitor.cc
diff --git a/components/domain_reliability/monitor.cc b/components/domain_reliability/monitor.cc
index d09aa217f610c8cd936b604df8dd8bb221988161..410121329a07ae3829458034c93dec59358e2721 100644
--- a/components/domain_reliability/monitor.cc
+++ b/components/domain_reliability/monitor.cc
@@ -68,7 +68,9 @@ DomainReliabilityMonitor::DomainReliabilityMonitor(
           DomainReliabilityScheduler::Params::GetFromFieldTrialsOrDefaults()),
       dispatcher_(time_.get()),
       uploader_(
-          DomainReliabilityUploader::Create(url_request_context_getter_)) {
+          DomainReliabilityUploader::Create(url_request_context_getter_)),
+      was_cleared_(false),
+      cleared_mode_(MAX_CLEAR_MODE) {
   DCHECK(OnIOThread());
 }
 
@@ -87,13 +89,15 @@ DomainReliabilityMonitor::DomainReliabilityMonitor(
           DomainReliabilityScheduler::Params::GetFromFieldTrialsOrDefaults()),
       dispatcher_(time_.get()),
       uploader_(
-          DomainReliabilityUploader::Create(url_request_context_getter_)) {
+          DomainReliabilityUploader::Create(url_request_context_getter_)),
+      was_cleared_(false),
+      cleared_mode_(MAX_CLEAR_MODE) {
   DCHECK(OnIOThread());
 }
 
 DomainReliabilityMonitor::~DomainReliabilityMonitor() {
   DCHECK(OnIOThread());
-  STLDeleteContainerPairSecondPointers(contexts_.begin(), contexts_.end());
+  ClearContexts();
 }
 
 void DomainReliabilityMonitor::AddBakedInConfigs() {
@@ -131,6 +135,28 @@ void DomainReliabilityMonitor::OnCompleted(net::URLRequest* request,
   }
 }
 
+void DomainReliabilityMonitor::ClearBrowsingData(
+   DomainReliabilityClearMode mode) {
+  DCHECK(OnIOThread());
+
+  was_cleared_ = true;
+  cleared_mode_ = mode;
+
+  switch (mode) {
+    case CLEAR_BEACONS: {
+      ContextMap::const_iterator it;
+      for (it = contexts_.begin(); it != contexts_.end(); ++it)
+        it->second->ClearBeacons();
+      break;
+    };
+    case CLEAR_CONTEXTS:
+      ClearContexts();
+      break;
+    case MAX_CLEAR_MODE:
+      NOTREACHED();
+  }
+}
+
 DomainReliabilityContext* DomainReliabilityMonitor::AddContextForTesting(
     scoped_ptr<const DomainReliabilityConfig> config) {
   return AddContext(config.Pass());
@@ -179,6 +205,12 @@ DomainReliabilityContext* DomainReliabilityMonitor::AddContext(
   return map_it.first->second;
 }
 
+void DomainReliabilityMonitor::ClearContexts() {
+  STLDeleteContainerPairSecondPointers(
+      contexts_.begin(), contexts_.end());
+  contexts_.clear();
+}
+
 void DomainReliabilityMonitor::OnRequestLegComplete(
     const RequestInfo& request) {
   int response_code;