Introducing phased profiling framework

chrome/browser/metrics/chrome_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 "chrome/browser/metrics/chrome_metrics_service_client.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 359 matching lines @@
 #endif  // defined(OS_WIN) && defined(GOOGLE_CHROME_BUILD)
 }
 
 void ChromeMetricsServiceClient::OnInitTaskGotGoogleUpdateData() {
   // Start the next part of the init task: fetching performance data.  This will
   // call into |FinishedReceivingProfilerData()| when the task completes.
   metrics::TrackingSynchronizer::FetchProfilerDataAsynchronously(
       weak_ptr_factory_.GetWeakPtr());
 }
 
+// TODO(vadimt): Consider wrapping params in a struct after the list of params
+// to ReceivedProfilerData settles. crbug/456354.
 void ChromeMetricsServiceClient::ReceivedProfilerData(
-    const tracked_objects::ProcessDataSnapshot& process_data,
-    int process_type) {
-  profiler_metrics_provider_->RecordProfilerData(process_data, process_type);
+    const tracked_objects::ProcessDataPhaseSnapshot& process_data_phase,
+    base::ProcessId process_id,
+    content::ProcessType process_type,
+    int profiling_phase,
+    const base::TimeDelta& phase_start,
+    const base::TimeDelta& phase_finish,
+    const metrics::ProfilerEvents& past_events) {
+  profiler_metrics_provider_->RecordProfilerData(
+      process_data_phase, process_id, process_type, profiling_phase,
+      phase_start, phase_finish, past_events);
 }
 
 void ChromeMetricsServiceClient::FinishedReceivingProfilerData() {
   finished_gathering_initial_metrics_callback_.Run();
 }
 
 void ChromeMetricsServiceClient::OnMemoryDetailCollectionDone() {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   // This function should only be called as the callback from an ansynchronous
@@ skipping 159 matching lines @@
   // Capture the histogram samples.
   if (dumps_with_crash != 0)
     UMA_HISTOGRAM_COUNTS("Chrome.BrowserDumpsWithCrash", dumps_with_crash);
   if (dumps_with_no_crash != 0)
     UMA_HISTOGRAM_COUNTS("Chrome.BrowserDumpsWithNoCrash", dumps_with_no_crash);
   int total_dumps = dumps_with_crash + dumps_with_no_crash;
   if (total_dumps != 0)
     UMA_HISTOGRAM_COUNTS("Chrome.BrowserCrashDumpAttempts", total_dumps);
 }
 #endif  // defined(OS_WIN)