Add password sync for Android.

chrome/browser/sync/profile_sync_service.h

Index: chrome/browser/sync/profile_sync_service.h
diff --git a/chrome/browser/sync/profile_sync_service.h b/chrome/browser/sync/profile_sync_service.h
index ce0f293f094f804d5b2c8c4f24632e59c0fc3c25..ad5ca36f1235ac681fe624a3c66a33a5ba9e97dd 100644
--- a/chrome/browser/sync/profile_sync_service.h
+++ b/chrome/browser/sync/profile_sync_service.h
@@ -543,6 +543,13 @@ class ProfileSyncService : public ProfileSyncServiceBase,
   // 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 has already been initialized and does not have
+  // pending keys.
+  bool ShouldEnablePasswordSyncForAndroid() const;
+#endif
+
   // Returns true if the syncer is waiting for new datatypes to be encrypted.
   virtual bool encryption_pending() const;