Created multi-process-friendly PowerMonitor interface.

content/renderer/renderer_main.cc

Index: content/renderer/renderer_main.cc
diff --git a/content/renderer/renderer_main.cc b/content/renderer/renderer_main.cc
index d1b73403a1681536b25b920900f0e0ff8ada4858..d385273d6e1a76edf4550fbb8d341b825b4090ab 100644
--- a/content/renderer/renderer_main.cc
+++ b/content/renderer/renderer_main.cc
@@ -16,11 +16,9 @@
 #include "base/metrics/stats_counters.h"
 #include "base/path_service.h"
 #include "base/pending_task.h"
-#include "base/power_monitor/power_monitor.h"
 #include "base/strings/string_util.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
-#include "base/timer/hi_res_timer_manager.h"
 #include "content/child/child_process.h"
 #include "content/common/content_constants_internal.h"
 #include "content/public/common/content_switches.h"
@@ -168,9 +166,6 @@ int RendererMain(const MainFunctionParams& parameters) {
 
   base::PlatformThread::SetName("CrRendererMain");
 
-  base::PowerMonitor power_monitor;
-  base::HighResolutionTimerManager hi_res_timer_manager;
-
   platform.PlatformInitialize();
 
   bool no_sandbox = parsed_command_line.HasSwitch(switches::kNoSandbox);