Replace most LOG statements with DLOG statements in base.

base/system_monitor/system_monitor.cc

 // Copyright (c) 2011 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 "base/system_monitor/system_monitor.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/time.h"
 
@@ skipping 68 matching lines @@
 
 void SystemMonitor::AddObserver(PowerObserver* obs) {
   observer_list_->AddObserver(obs);
 }
 
 void SystemMonitor::RemoveObserver(PowerObserver* obs) {
   observer_list_->RemoveObserver(obs);
 }
 
 void SystemMonitor::NotifyPowerStateChange() {
-  VLOG(1) << "PowerStateChange: " << (BatteryPower() ? "On" : "Off")
-          << " battery";
+  DVLOG(1) << "PowerStateChange: " << (BatteryPower() ? "On" : "Off")
+           << " battery";
   observer_list_->Notify(&PowerObserver::OnPowerStateChange, BatteryPower());
 }
 
 void SystemMonitor::NotifySuspend() {
-  VLOG(1) << "Power Suspending";
+  DVLOG(1) << "Power Suspending";
   observer_list_->Notify(&PowerObserver::OnSuspend);
 }
 
 void SystemMonitor::NotifyResume() {
-  VLOG(1) << "Power Resuming";
+  DVLOG(1) << "Power Resuming";
   observer_list_->Notify(&PowerObserver::OnResume);
 }
 
 void SystemMonitor::BatteryCheck() {
   ProcessPowerMessage(SystemMonitor::POWER_STATE_EVENT);
 }
 
 }  // namespace base