Basic UkmService implementation

components/metrics/metrics_service.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.
 
 //------------------------------------------------------------------------------
 // Description of the life cycle of a instance of MetricsService.
 //
 //  OVERVIEW
 //
 // A MetricsService instance is typically created at application startup.  It is
@@ skipping 141 matching lines @@
 #include "components/browser_watcher/stability_data_names.h"
 #include "components/browser_watcher/stability_debugging.h"
 #include "components/metrics/data_use_tracker.h"
 #include "components/metrics/metrics_log.h"
 #include "components/metrics/metrics_log_manager.h"
 #include "components/metrics/metrics_log_uploader.h"
 #include "components/metrics/metrics_pref_names.h"
 #include "components/metrics/metrics_reporting_scheduler.h"
 #include "components/metrics/metrics_service_client.h"
 #include "components/metrics/metrics_state_manager.h"
+#include "components/metrics/url_constants.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/variations/entropy_provider.h"
 
 namespace metrics {
 
 namespace {
 
 // Check to see that we're being called on only one thread.
 bool IsSingleThreaded() {
@@ skipping 830 matching lines @@
 void MetricsService::SendStagedLog() {
   DCHECK(log_manager_.has_staged_log());
   if (!log_manager_.has_staged_log())
     return;
 
   DCHECK(!log_upload_in_progress_);
   log_upload_in_progress_ = true;
 
   if (!log_uploader_) {
     log_uploader_ = client_->CreateUploader(
+        metrics::kDefaultMetricsServerUrl,
+        metrics::kDefaultMetricsMimeType,
         base::Bind(&MetricsService::OnLogUploadComplete,
                    self_ptr_factory_.GetWeakPtr()));
   }
 
   const std::string hash =
       base::HexEncode(log_manager_.staged_log_hash().data(),
                       log_manager_.staged_log_hash().size());
   log_uploader_->UploadLog(log_manager_.staged_log(), hash);
 
   HandleIdleSinceLastTransmission(true);
@@ skipping 207 matching lines @@
                  base::Time::Now().ToTimeT());
 }
 
 void MetricsService::SkipAndDiscardUpload() {
   log_manager_.DiscardStagedLog();
   scheduler_->UploadCancelled();
   log_upload_in_progress_ = false;
 }
 
 }  // namespace metrics