Add method IsPassphraseRequiredForDecryption to ProfileSyncService

chrome/browser/sync/profile_sync_service.h

 // Copyright (c) 2011 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_SYNC_PROFILE_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 265 matching lines @@
   tracked_objects::Location unrecoverable_error_location() {
     return unrecoverable_error_location_.get() ?
         *unrecoverable_error_location_.get() : tracked_objects::Location();
   }
 
   bool UIShouldDepictAuthInProgress() const {
     return is_auth_in_progress_;
   }
 
   // Returns true if OnPassphraseRequired has been called for any reason.
-  bool ObservedPassphraseRequired() const {
+  bool IsPassphraseRequired() const {
     return passphrase_required_reason_ !=
         sync_api::REASON_PASSPHRASE_NOT_REQUIRED;
   }
 
+  // Returns true if OnPassphraseRequired has been called for decryption.
+  bool IsPassphraseRequiredForDecryption() const {
+    return (passphrase_required_reason_ == sync_api::REASON_DECRYPTION ||
+        passphrase_required_reason_ == sync_api::REASON_SET_PASSPHRASE_FAILED);
+  }
+
   sync_api::PassphraseRequiredReason passphrase_required_reason() const {
     return passphrase_required_reason_;
   }
 
   // Returns a user-friendly string form of last synced time (in minutes).
   virtual string16 GetLastSyncedTimeString() const;
 
   // Returns the authenticated username of the sync user, or empty if none
   // exists. It will only exist if the authentication service provider (e.g
   // GAIA) has confirmed the username is authentic.
@@ skipping 341 matching lines @@
   // The set of encrypted types. This is updated whenever datatypes are
   // encrypted through the OnEncryptionComplete callback of SyncFrontend.
   syncable::ModelTypeSet encrypted_types_;
 
   scoped_ptr<browser_sync::BackendMigrator> migrator_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncService);
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_