UKM debug page

components/ukm/ukm_service.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 COMPONENTS_UKM_UKM_SERVICE_H_
 #define COMPONENTS_UKM_UKM_SERVICE_H_
 
 #include <stddef.h>
 #include <memory>
 #include <vector>
@@ skipping 29 matching lines @@
 namespace metrics {
 class MetricsServiceClient;
 }
 
 namespace ukm {
 
 class UkmEntry;
 class UkmEntryBuilder;
 class UkmSource;
 
+namespace debug {
+class DebugPage;
+}
+
 // This feature controls whether UkmService should be created.
 extern const base::Feature kUkmFeature;
 
 // The URL-Keyed Metrics (UKM) service is responsible for gathering and
 // uploading reports that contain fine grained performance metrics including
 // URLs for top-level navigations.
 class UkmService {
  public:
   // Constructs a UkmService.
   // Calling code is responsible for ensuring that the lifetime of
@@ skipping 50 matching lines @@
   const std::map<int32_t, std::unique_ptr<UkmSource>>& sources_for_testing()
       const {
     return sources_;
   }
 
   const std::vector<std::unique_ptr<UkmEntry>>& entries_for_testing() const {
     return entries_;
   }
 
  private:
+  friend ::ukm::debug::DebugPage;
   friend autofill::AutofillMetrics;
   friend payments::JourneyLogger;
   friend PluginInfoMessageFilter;
   friend UkmPageLoadMetricsObserver;
   friend translate::TranslateRankerImpl;
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest, AddEntryWithEmptyMetrics);
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest, EntryBuilderAndSerialization);
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest,
                            LogsUploadedOnlyWhenHavingSourcesOrEntries);
   FRIEND_TEST_ALL_PREFIXES(UkmServiceTest, MetricsProviderTest);
@@ skipping 76 matching lines @@
   // Weak pointers factory used to post task on different threads. All weak
   // pointers managed by this factory have the same lifetime as UkmService.
   base::WeakPtrFactory<UkmService> self_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(UkmService);
 };
 
 }  // namespace ukm
 
 #endif  // COMPONENTS_UKM_UKM_SERVICE_H_