Add ProcessPowerCollector to audit power information.

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 5f49c0027072e6053a406363f4fb195a42961675..415661c56add1a2777fbcc7665aeb23ff66d5348 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -71,6 +71,7 @@
 #include "chrome/browser/performance_monitor/performance_monitor.h"
 #include "chrome/browser/performance_monitor/startup_timer.h"
 #include "chrome/browser/plugins/plugin_prefs.h"
+#include "chrome/browser/power/process_power_collector.h"
 #include "chrome/browser/pref_service_flags_storage.h"
 #include "chrome/browser/prefs/chrome_pref_service_factory.h"
 #include "chrome/browser/prefs/command_line_pref_store.h"
@@ -1546,6 +1547,11 @@ int ChromeBrowserMainParts::PreMainMessageLoopRunImpl() {
 
   performance_monitor::PerformanceMonitor::GetInstance()->Initialize();
 
+#if !defined(OS_ANDROID) && !defined(OS_IOS)
+  process_power_collector_.reset(new ProcessPowerCollector);
+  process_power_collector_->StartUpdating();
+#endif
+
   PostBrowserStart();
 
   if (parameters().ui_task) {