Add password sync for Android.

chrome/browser/sync/profile_sync_service.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_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 
 #include <list>
 #include <string>
 
@@ skipping 517 matching lines @@
   // Returns true if we are currently set to encrypt all the sync data. Note:
   // this is based on the cryptographer's settings, so if the user has recently
   // requested encryption to be turned on, this may not be true yet. For that,
   // encryption_pending() must be checked.
   virtual bool EncryptEverythingEnabled() const;
 
   // Fills |encrypted_types| with the set of currently encrypted types. Does
   // not account for types pending encryption.
   virtual syncer::ModelTypeSet GetEncryptedDataTypes() const;
 
+#if defined(OS_ANDROID)
+  // Android does not display password prompts, passwords are only allowed to be
+  // synced, if Cryptographer can decrypt them.

[Nicolas Zea, 2013/01/18 00:05:11]

nit: "if the Cryptographer has already been initialized and does not have
pending keys" is probably more accurate..

[shashi, 2013/01/18 02:06:31]

Done.

+  bool IsPasswordSyncEnabledForAndroid() const;
+#endif
+
   // Returns true if the syncer is waiting for new datatypes to be encrypted.
   virtual bool encryption_pending() const;
 
   const GURL& sync_service_url() const { return sync_service_url_; }
   bool auto_start_enabled() const { return auto_start_enabled_; }
   SigninManager* signin() const { return signin_; }
   bool setup_in_progress() const { return setup_in_progress_; }
 
   // Stops the sync backend and sets the flag for suppressing sync startup.
   void StopAndSuppress();
@@ skipping 340 matching lines @@
   syncer::WeakHandle<syncer::DataTypeDebugInfoListener> debug_info_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncService);
 };
 
 bool ShouldShowActionOnUI(
     const syncer::SyncProtocolError& error);
 
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_