Move MetricsService final log collection tasks to client.

components/metrics/test_metrics_service_client.cc

 // Copyright 2014 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.
 
 #include "components/metrics/test_metrics_service_client.h"
 
+#include "base/callback.h"
+
 namespace metrics {
 
 // static
 const char TestMetricsServiceClient::kBrandForTesting[] = "brand_for_testing";
 
 TestMetricsServiceClient::TestMetricsServiceClient() {
 }
 
 TestMetricsServiceClient::~TestMetricsServiceClient() {
 }
@@ skipping 19 matching lines @@
   return SystemProfileProto::CHANNEL_BETA;
 }
 
 std::string TestMetricsServiceClient::GetVersionString() {
   return "5.0.322.0-64-devel";
 }
 
 void TestMetricsServiceClient::OnLogUploadComplete() {
 }
 
+void TestMetricsServiceClient::CollectFinalMetrics(
+    const base::Closure& done_callback) {
+  done_callback.Run();
+}
+
 }  // namespace metrics