Move logic for uploading logs into a ReportingService object.

components/metrics/metrics_service_unittest.cc

Index: components/metrics/metrics_service_unittest.cc
diff --git a/components/metrics/metrics_service_unittest.cc b/components/metrics/metrics_service_unittest.cc
index 5cc3c159f2036960b37d700d23e62a7ef6859025..c4ccac83619e985cd53fc0431b4f7f6d87d1a01f 100644
--- a/components/metrics/metrics_service_unittest.cc
+++ b/components/metrics/metrics_service_unittest.cc
@@ -189,8 +189,7 @@ TEST_F(MetricsServiceTest, InitialStabilityLogAfterCleanShutDown) {
   service.InitializeMetricsRecordingState();
 
   // No initial stability log should be generated.
-  EXPECT_FALSE(service.log_store()->has_unsent_logs());
-  EXPECT_FALSE(service.log_store()->has_staged_log());
+  EXPECT_FALSE(service.has_unsent_logs());
 
   // Ensure that HasInitialStabilityMetrics() is always called on providers,
   // for consistency, even if other conditions already indicate their presence.