Make managedMode extension API component-only.

chrome/browser/extensions/extension_preference_api.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/extension_preference_api.h"
 
 #include <map>
 #include <utility>
 
 #include "base/memory/singleton.h"
@@ skipping 48 matching lines @@
   { "hyperlinkAuditingEnabled",
     prefs::kEnableHyperlinkAuditing,
     ExtensionAPIPermission::kPrivacy
   },
   { "instantEnabled",
     prefs::kInstantEnabled,
     ExtensionAPIPermission::kPrivacy
   },
   { "managedModeEnabled",
     prefs::kInManagedMode,
-    ExtensionAPIPermission::kManagedMode
+    ExtensionAPIPermission::kManagedModePrivate
   },
   { "networkPredictionEnabled",
     prefs::kNetworkPredictionEnabled,
     ExtensionAPIPermission::kPrivacy
   },
   { "proxy",
     prefs::kProxy,
     ExtensionAPIPermission::kProxy
   },
   { "referrersEnabled",
@@ skipping 390 matching lines @@
   }
 
   std::string browser_pref;
   if (!ValidateBrowserPref(pref_key, &browser_pref))
     return false;
 
   ExtensionPrefs* prefs = profile_->GetExtensionService()->extension_prefs();
   prefs->RemoveExtensionControlledPref(extension_id(), browser_pref, scope);
   return true;
 }