Reporting: Implement garbage collector.

net/reporting/reporting_test_util.h

 // Copyright 2017 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 NET_REPORTING_REPORTING_TEST_UTIL_H_
 #define NET_REPORTING_REPORTING_TEST_UTIL_H_
 
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "net/reporting/reporting_context.h"
 #include "net/reporting/reporting_delegate.h"
 #include "net/reporting/reporting_uploader.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class GURL;
 
 namespace base {
+class MockTimer;
 class SimpleTestClock;
 class SimpleTestTickClock;
 class Value;
 }  // namespace base
 
 namespace url {
 class Origin;
 }  // namespace url
 
 namespace net {
 
 class ReportingCache;
 struct ReportingClient;
+class ReportingGarbageCollector;
 
 // Finds a particular client (by origin and endpoint) in the cache and returns
 // it (or nullptr if not found).
 const ReportingClient* FindClientInCache(const ReportingCache* cache,
                                          const url::Origin& origin,
                                          const GURL& endpoint);
 
 // A simple implementation of ReportingDelegate that only persists data in RAM.
 class TestReportingDelegate : public ReportingDelegate {
  public:
@@ skipping 57 matching lines @@
 
   TestReportingDelegate* test_delegate() {
     return reinterpret_cast<TestReportingDelegate*>(delegate());
   }
   base::SimpleTestClock* test_clock() {
     return reinterpret_cast<base::SimpleTestClock*>(clock());
   }
   base::SimpleTestTickClock* test_tick_clock() {
     return reinterpret_cast<base::SimpleTestTickClock*>(tick_clock());
   }
+  base::MockTimer* test_garbage_collection_timer() {
+    return garbage_collection_timer_;
+  }
   TestReportingUploader* test_uploader() {
     return reinterpret_cast<TestReportingUploader*>(uploader());
   }
 
  private:
+  // Owned by the garbage collector but referenced here to preserve type.
+  base::MockTimer* garbage_collection_timer_;
+
   DISALLOW_COPY_AND_ASSIGN(TestReportingContext);
 };
 
 // A unit test base class that provides a TestReportingContext and shorthand
 // getters.
 class ReportingTestBase : public ::testing::Test {
  protected:
   ReportingTestBase();
   ~ReportingTestBase() override;
 
   void UsePolicy(const ReportingPolicy& policy);
 
   TestReportingContext* context() { return context_.get(); }
 
   const ReportingPolicy& policy() { return context_->policy(); }
 
   TestReportingDelegate* delegate() { return context_->test_delegate(); }
   base::SimpleTestClock* clock() { return context_->test_clock(); }
   base::SimpleTestTickClock* tick_clock() {
     return context_->test_tick_clock();
   }
+  base::MockTimer* garbage_collection_timer() {
+    return context_->test_garbage_collection_timer();
+  }
   TestReportingUploader* uploader() { return context_->test_uploader(); }
 
   ReportingCache* cache() { return context_->cache(); }
   ReportingEndpointManager* endpoint_manager() {
     return context_->endpoint_manager();
   }
   ReportingDeliveryAgent* delivery_agent() {
     return context_->delivery_agent();
   }
+  ReportingGarbageCollector* garbage_collector() {
+    return context_->garbage_collector();
+  }
 
   base::TimeTicks yesterday();
 
   base::TimeTicks tomorrow();
 
  private:
   std::unique_ptr<TestReportingContext> context_;
 
   DISALLOW_COPY_AND_ASSIGN(ReportingTestBase);
 };
 
 }  // namespace net
 
 #endif  // NET_REPORING_REPORTING_TEST_UTIL_H_