Temporarily disable extensions and sync while a profile is locked - Profiles Approach

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 45 matching lines @@
 class Extension : public base::RefCountedThreadSafe<Extension> {
  public:
   struct ManifestData;
 
   typedef std::map<const std::string, linked_ptr<ManifestData> >
       ManifestDataMap;
 
   enum State {
     DISABLED = 0,
     ENABLED,
+    LOCKED,
     // An external extension that the user uninstalled. We should not reinstall
     // such extensions on startup.
     EXTERNAL_EXTENSION_UNINSTALLED,
     // DEPRECATED: Special state for component extensions.
     // Maintained as a placeholder since states may be stored to disk.
     ENABLED_COMPONENT_DEPRECATED,
     NUM_STATES
   };
 
   // Used to record the reason an extension was disabled.
@@ skipping 456 matching lines @@
 struct UnloadedExtensionInfo {
   // TODO(DHNishi): Move this enum to ExtensionRegistryObserver.
   enum Reason {
     REASON_UNDEFINED,         // Undefined state used to initialize variables.
     REASON_DISABLE,           // Extension is being disabled.
     REASON_UPDATE,            // Extension is being updated to a newer version.
     REASON_UNINSTALL,         // Extension is being uninstalled.
     REASON_TERMINATE,         // Extension has terminated.
     REASON_BLACKLIST,         // Extension has been blacklisted.
     REASON_PROFILE_SHUTDOWN,  // Profile is being shut down.
+    REASON_PROFILE_LOCK,      // Profile is being locked.

[noms (inactive), 2014/11/12 19:23:51]

nit: is being locked or has already been locked? 

[Mike Lerman, 2014/11/12 20:58:42]

Re-written.

   };
 
   Reason reason;
 
   // The extension being unloaded - this should always be non-NULL.
   const Extension* extension;
 
   UnloadedExtensionInfo(const Extension* extension, Reason reason);
 };
 
@@ skipping 16 matching lines @@
 
   UpdatedExtensionPermissionsInfo(
       const Extension* extension,
       const PermissionSet* permissions,
       Reason reason);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_EXTENSION_H_