Support multiple disable reasons in ExtensionPerfs

chrome/common/extensions/extension.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_H_
 
 #include <algorithm>
 #include <iosfwd>
 #include <map>
@@ skipping 80 matching lines @@
   enum State {
     DISABLED = 0,
     ENABLED,
     // An external extension that the user uninstalled. We should not reinstall
     // such extensions on startup.
     EXTERNAL_EXTENSION_UNINSTALLED,
     NUM_STATES
   };
 
   // Used to record the reason an extension was disabled.
+  enum DeprecatedDisableReason {
+    DEPRECATED_DISABLE_UNKNOWN,
+    DEPRECATED_DISABLE_USER_ACTION,
+    DEPRECATED_DISABLE_PERMISSIONS_INCREASE,
+    DEPRECATED_DISABLE_RELOAD,
+    DEPRECATED_DISABLE_LAST,  // Not used.
+  };
+
   enum DisableReason {
-    DISABLE_UNKNOWN,
-    DISABLE_USER_ACTION,
-    DISABLE_PERMISSIONS_INCREASE,
-    DISABLE_RELOAD,
-    DISABLE_LAST,  // Not used.
+    DISABLE_NONE = 0,
+    DISABLE_USER_ACTION = 1 << 0,
+    DISABLE_PERMISSIONS_INCREASE = 1 << 1,
+    DISABLE_RELOAD = 1 << 2,
   };
 
   enum InstallType {
     INSTALL_ERROR,
     DOWNGRADE,
     REINSTALL,
     UPGRADE,
     NEW_INSTALL
   };
 
@@ skipping 1067 matching lines @@
 
   UpdatedExtensionPermissionsInfo(
       const Extension* extension,
       const PermissionSet* permissions,
       Reason reason);
 };
 
 } // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_H_