chromeos: Add power supply info reading capability

chrome/browser/chromeos/status/power_menu_button.cc

Index: chrome/browser/chromeos/status/power_menu_button.cc
diff --git a/chrome/browser/chromeos/status/power_menu_button.cc b/chrome/browser/chromeos/status/power_menu_button.cc
index 468adfd7852cfc358cfa945be45fafb55d0f9560..09f376db3a4c3bd03b5066797355382c0f95563e 100644
--- a/chrome/browser/chromeos/status/power_menu_button.cc
+++ b/chrome/browser/chromeos/status/power_menu_button.cc
@@ -11,7 +11,7 @@
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
-#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -254,11 +254,11 @@ PowerMenuButton::PowerMenuButton(StatusAreaHost* host)
       battery_time_to_empty_(TimeDelta::FromMicroseconds(kInitialMS)),
       status_(NULL) {
   UpdateIconAndLabelInfo();
-  CrosLibrary::Get()->GetPowerLibrary()->AddObserver(this);
+  DBusThreadManager::Get()->power_manager_client()->AddObserver(this);
 }
 
 PowerMenuButton::~PowerMenuButton() {
-  CrosLibrary::Get()->GetPowerLibrary()->RemoveObserver(this);
+  DBusThreadManager::Get()->power_manager_client()->RemoveObserver(this);
 }
 
 // PowerMenuButton, views::MenuDelegate implementation:
@@ -319,7 +319,7 @@ void PowerMenuButton::OnLocaleChanged() {
 
 void PowerMenuButton::RunMenu(views::View* source, const gfx::Point& pt) {
   // Explicitly query the power status.
-  CrosLibrary::Get()->GetPowerLibrary()->RequestStatusUpdate();
+  DBusThreadManager::Get()->power_manager_client()->RequestStatusUpdate();
 
   views::MenuItemView* menu = new views::MenuItemView(this);
   // MenuRunner takes ownership of |menu|.
@@ -348,7 +348,7 @@ void PowerMenuButton::RunMenu(views::View* source, const gfx::Point& pt) {
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// PowerMenuButton, PowerLibrary::Observer implementation:
+// PowerMenuButton, PowerManagerClient::Observer implementation:
 
 void PowerMenuButton::PowerChanged(const PowerSupplyStatus& power_status) {
   power_status_ = power_status;