Issue 501916 : Add data type counts to profile deletion flow

components/password_manager/core/browser/password_store.h

Index: components/password_manager/core/browser/password_store.h
diff --git a/components/password_manager/core/browser/password_store.h b/components/password_manager/core/browser/password_store.h
index 07510a4a8763a3d1940b9bf94979f249daa42552..a61f08e74ad72bb1bca07ec6db6106d0646cf716 100644
--- a/components/password_manager/core/browser/password_store.h
+++ b/components/password_manager/core/browser/password_store.h
@@ -139,6 +139,10 @@ class PasswordStore : protected PasswordStoreSync,
   // consumer is destroyed.
   virtual void GetBlacklistLogins(PasswordStoreConsumer* consumer);
 
+  // Get the number of logins stored in the login database.
+  // TODO(lwchkg): make the task cancellable.
+  virtual void GetCountOfLogins(base::Callback<void(int)> callback);
+
   // Reports usage metrics for the database. |sync_username| and
   // |custom_passphrase_sync_enabled| determine some of the UMA stats that
   // may be reported.
@@ -237,6 +241,10 @@ class PasswordStore : protected PasswordStoreSync,
                              AuthorizationPromptPolicy prompt_policy,
                              scoped_ptr<GetLoginsRequest> request);
 
+  // Synchronous implementation provided by subclasses to count the number of
+  // logins in the database.
+  virtual int GetCountOfLoginsImpl() = 0;
+
   // Synchronous implementation provided by subclasses to add the given login.
   virtual PasswordStoreChangeList AddLoginImpl(
       const autofill::PasswordForm& form) = 0;