Reporting: Add ReportingDelegate to check site permissions

net/reporting/reporting_delivery_agent.cc

Index: net/reporting/reporting_delivery_agent.cc
diff --git a/net/reporting/reporting_delivery_agent.cc b/net/reporting/reporting_delivery_agent.cc
index d875f468b88c2200f6a5df4c1594c34c93607202..8e8661770df6b6dbc7531fa8fa7a94576a26ac56 100644
--- a/net/reporting/reporting_delivery_agent.cc
+++ b/net/reporting/reporting_delivery_agent.cc
@@ -16,6 +16,7 @@
 #include "base/timer/timer.h"
 #include "base/values.h"
 #include "net/reporting/reporting_cache.h"
+#include "net/reporting/reporting_delegate.h"
 #include "net/reporting/reporting_endpoint_manager.h"
 #include "net/reporting/reporting_observer.h"
 #include "net/reporting/reporting_report.h"
@@ -115,6 +116,9 @@ class ReportingDeliveryAgentImpl : public ReportingDeliveryAgent,
     std::map<OriginGroup, std::vector<const ReportingReport*>>
         origin_group_reports;
     for (const ReportingReport* report : reports) {
+      url::Origin origin(report->url);
+      if (!delegate()->CanSendReport(origin))
+        continue;
       OriginGroup origin_group(url::Origin(report->url), report->group);
       origin_group_reports[origin_group].push_back(report);
     }
@@ -186,6 +190,7 @@ class ReportingDeliveryAgentImpl : public ReportingDeliveryAgent,
 
   const ReportingPolicy& policy() { return context_->policy(); }
   base::TickClock* tick_clock() { return context_->tick_clock(); }
+  ReportingDelegate* delegate() { return context_->delegate(); }
   ReportingCache* cache() { return context_->cache(); }
   ReportingUploader* uploader() { return context_->uploader(); }
   ReportingEndpointManager* endpoint_manager() {