chromeos: Rename functions to be PascalCase.

chrome/browser/ui/webui/options/chromeos/system_options_handler.cc

Index: chrome/browser/ui/webui/options/chromeos/system_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/chromeos/system_options_handler.cc b/chrome/browser/ui/webui/options/chromeos/system_options_handler.cc
index 9b600890145db99c25ab044ba92b80fdf0fc751d..18d282d8d96f77745927af553ff5a7381cce6746 100644
--- a/chrome/browser/ui/webui/options/chromeos/system_options_handler.cc
+++ b/chrome/browser/ui/webui/options/chromeos/system_options_handler.cc
@@ -154,12 +154,12 @@ void SystemOptionsHandler::DecreaseScreenBrightnessCallback(
     const ListValue* args) {
   // Do not allow the options button to turn off the backlight, as that
   // can make it very difficult to see the increase brightness button.
-  chromeos::DBusThreadManager::Get()->power_manager_client()->
+  chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
       DecreaseScreenBrightness(false);
 }
 
 void SystemOptionsHandler::IncreaseScreenBrightnessCallback(
     const ListValue* args) {
-  chromeos::DBusThreadManager::Get()->power_manager_client()->
+  chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
       IncreaseScreenBrightness();
 }