| Index: chrome/browser/chromeos/preferences.cc
 | 
| diff --git a/chrome/browser/chromeos/preferences.cc b/chrome/browser/chromeos/preferences.cc
 | 
| index f84b155e27089adb366b05918f51650a65463d5c..1c0c69a5358bb7ff331fcbddd5fb1190a9d5aee0 100644
 | 
| --- a/chrome/browser/chromeos/preferences.cc
 | 
| +++ b/chrome/browser/chromeos/preferences.cc
 | 
| @@ -15,6 +15,7 @@
 | 
|  #include "chrome/browser/chromeos/input_method/input_method_util.h"
 | 
|  #include "chrome/browser/chromeos/input_method/xkeyboard.h"
 | 
|  #include "chrome/browser/chromeos/login/login_utils.h"
 | 
| +#include "chrome/browser/chromeos/system/drm_settings.h"
 | 
|  #include "chrome/browser/chromeos/system/input_device_settings.h"
 | 
|  #include "chrome/browser/chromeos/system/screen_locker_settings.h"
 | 
|  #include "chrome/browser/prefs/pref_member.h"
 | 
| @@ -251,6 +252,12 @@ void Preferences::RegisterUserPrefs(PrefService* prefs) {
 | 
|    prefs->RegisterStringPref(prefs::kOAuth1Secret,
 | 
|                              "",
 | 
|                              PrefService::UNSYNCABLE_PREF);
 | 
| +
 | 
| +  // TODO(wad): Once UI is connected, a final default can be set. At that point
 | 
| +  // change this pref from UNSYNCABLE to SYNCABLE.
 | 
| +  prefs->RegisterBooleanPref(prefs::kEnableCrosDRM,
 | 
| +                             true,
 | 
| +                             PrefService::UNSYNCABLE_PREF);
 | 
|  }
 | 
|  
 | 
|  // static
 | 
| @@ -334,6 +341,8 @@ void Preferences::InitUserPrefs(PrefService* prefs) {
 | 
|        prefs::kLanguageXkbAutoRepeatInterval, prefs, this);
 | 
|  
 | 
|    enable_screen_lock_.Init(prefs::kEnableScreenLock, prefs, this);
 | 
| +
 | 
| +  enable_drm_.Init(prefs::kEnableCrosDRM, prefs, this);
 | 
|  }
 | 
|  
 | 
|  void Preferences::Init(PrefService* prefs) {
 | 
| @@ -562,6 +571,11 @@ void Preferences::NotifyPrefChanged(const std::string* pref_name) {
 | 
|      system::screen_locker_settings::EnableScreenLock(
 | 
|          enable_screen_lock_.GetValue());
 | 
|    }
 | 
| +
 | 
| +  // Init or update protected content (DRM) support.
 | 
| +  if (!pref_name || *pref_name == prefs::kEnableCrosDRM) {
 | 
| +    system::ToggleDrm(enable_drm_.GetValue());
 | 
| +  }
 | 
|  }
 | 
|  
 | 
|  void Preferences::SetLanguageConfigBoolean(const char* section,
 | 
| 
 |