metrics: Use absolute interval-based perf collection

chrome/browser/metrics/metrics_log_chromeos.cc

Index: chrome/browser/metrics/metrics_log_chromeos.cc
diff --git a/chrome/browser/metrics/metrics_log_chromeos.cc b/chrome/browser/metrics/metrics_log_chromeos.cc
index 45a36ac85867ba3582b9debe985e635381d276c0..a5184182a5c88cb6521cf5f92cfb635b8dad1025 100644
--- a/chrome/browser/metrics/metrics_log_chromeos.cc
+++ b/chrome/browser/metrics/metrics_log_chromeos.cc
@@ -22,7 +22,7 @@
 #endif  // defined(USE_X11)
 
 using metrics::ChromeUserMetricsExtension;
-using metrics::PerfDataProto;
+using metrics::SampledProfile;
 using metrics::SystemProfileProto;
 typedef SystemProfileProto::Hardware::Bluetooth::PairedDevice PairedDevice;
 
@@ -91,12 +91,12 @@ MetricsLogChromeOS::MetricsLogChromeOS(ChromeUserMetricsExtension* uma_proto)
 }
 
 void MetricsLogChromeOS::LogChromeOSMetrics() {
-  std::vector<PerfDataProto> perf_data;
+  std::vector<SampledProfile> perf_data;
   if (perf_provider_.GetPerfData(&perf_data)) {
-    for (std::vector<PerfDataProto>::iterator iter = perf_data.begin();
+    for (std::vector<SampledProfile>::iterator iter = perf_data.begin();
          iter != perf_data.end();
          ++iter) {
-      uma_proto_->add_perf_data()->Swap(&(*iter));
+      uma_proto_->add_sampled_profile()->Swap(&(*iter));
     }
   }