Apps&Extensions for supervised users: Add Extension::WAS_INSTALLED_BY_CUSTODIAN flag and proto entry

chrome/browser/extensions/pending_extension_manager.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_PENDING_EXTENSION_MANAGER_H_
 #define CHROME_BROWSER_EXTENSIONS_PENDING_EXTENSION_MANAGER_H_
 
 #include <list>
 #include <string>
 
@@ skipping 61 matching lines @@
   // sync installs (such as a policy extension) or if the extension
   // is already installed.
   //
   // TODO(akalin): Replace |install_silently| with a list of
   // pre-enabled permissions.
   bool AddFromSync(
       const std::string& id,
       const GURL& update_url,
       PendingExtensionInfo::ShouldAllowInstallPredicate should_allow_install,
       bool install_silently,
-      bool remote_install);
+      bool remote_install,
+      bool installed_by_custodian);
 
   // Adds an extension that was depended on by another extension.
   bool AddFromExtensionImport(
       const std::string& id,
       const GURL& update_url,
       PendingExtensionInfo::ShouldAllowInstallPredicate should_allow_install);
 
   // Given an extension id and an update URL, schedule the extension
   // to be fetched, installed, and activated.
   bool AddFromExternalUpdateUrl(const std::string& id,
@@ skipping 53 matching lines @@
   friend void SetupPendingExtensionManagerForTest(
       int count, const GURL& update_url,
       PendingExtensionManager* pending_extension_manager);
 
   DISALLOW_COPY_AND_ASSIGN(PendingExtensionManager);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_PENDING_EXTENSION_MANAGER_H_