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

extensions/common/extension.h

 // Copyright (c) 2013 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 EXTENSIONS_COMMON_EXTENSION_H_
 #define EXTENSIONS_COMMON_EXTENSION_H_
 
 #include <algorithm>
 #include <iosfwd>
 #include <map>
@@ skipping 152 matching lines @@
     REQUIRE_PERMISSIONS_CONSENT = 1 << 8,
 
     // Unused - this flag has been moved to ExtensionPrefs.
     IS_EPHEMERAL = 1 << 9,
 
     // |WAS_INSTALLED_BY_OEM| installed by an OEM (e.g on Chrome OS) and should
     // be placed in a special OEM folder in the App Launcher. Note: OEM apps are
     // also installed by Default (i.e. WAS_INSTALLED_BY_DEFAULT is also true).
     WAS_INSTALLED_BY_OEM = 1 << 10,
 
+    // |WAS_INSTALLED_BY_CUSTODIAN| means this extension was installed by the
+    // custodian of a supervised user.
+    WAS_INSTALLED_BY_CUSTODIAN = 1 << 11,
+
     // When adding new flags, make sure to update kInitFromValueFlagBits.
   };
 
   // This is the highest bit index of the flags defined above.
   static const int kInitFromValueFlagBits;
 
   static scoped_refptr<Extension> Create(const base::FilePath& path,
                                          Manifest::Location location,
                                          const base::DictionaryValue& value,
                                          int flags,
@@ skipping 144 matching lines @@
   }
   int creation_flags() const { return creation_flags_; }
   bool from_webstore() const { return (creation_flags_ & FROM_WEBSTORE) != 0; }
   bool from_bookmark() const { return (creation_flags_ & FROM_BOOKMARK) != 0; }
   bool was_installed_by_default() const {
     return (creation_flags_ & WAS_INSTALLED_BY_DEFAULT) != 0;
   }
   bool was_installed_by_oem() const {
     return (creation_flags_ & WAS_INSTALLED_BY_OEM) != 0;
   }
+  bool was_installed_by_custodian() const {
+    return (creation_flags_ & WAS_INSTALLED_BY_CUSTODIAN) != 0;
+  }
 
   // App-related.
   bool is_app() const;
   bool is_platform_app() const;
   bool is_hosted_app() const;
   bool is_legacy_packaged_app() const;
   bool is_extension() const;
   bool can_be_incognito_enabled() const;
 
   void AddWebExtentPattern(const URLPattern& pattern);
@@ skipping 215 matching lines @@
 
   UpdatedExtensionPermissionsInfo(
       const Extension* extension,
       const PermissionSet* permissions,
       Reason reason);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_EXTENSION_H_