Show password sync status in CBD

components/browsing_data/core/counters/passwords_counter.h

Index: components/browsing_data/core/counters/passwords_counter.h
diff --git a/components/browsing_data/core/counters/passwords_counter.h b/components/browsing_data/core/counters/passwords_counter.h
index dd69536393f351a1f0f054a60282c6b1e65b7da5..7c3739add08d4f1208bdc5b53ec2872ed46caade 100644
--- a/components/browsing_data/core/counters/passwords_counter.h
+++ b/components/browsing_data/core/counters/passwords_counter.h
@@ -11,15 +11,31 @@
 #include "components/browsing_data/core/counters/browsing_data_counter.h"
 #include "components/password_manager/core/browser/password_store.h"
 #include "components/password_manager/core/browser/password_store_consumer.h"
+#include "components/sync/driver/sync_service_observer.h"
 
 namespace browsing_data {
 
 class PasswordsCounter : public browsing_data::BrowsingDataCounter,
                          public password_manager::PasswordStoreConsumer,
-                         public password_manager::PasswordStore::Observer {
+                         public password_manager::PasswordStore::Observer,
+                         public syncer::SyncServiceObserver {
  public:
+  class PasswordResult : public FinishedResult {
+   public:
+    PasswordResult(const PasswordsCounter* source,
+                   ResultInt value,
+                   bool password_sync_enabled);
+    ~PasswordResult() override;
+
+    bool password_sync_enabled() const { return password_sync_enabled_; }
+
+   private:
+    bool password_sync_enabled_;
+  };
+
   explicit PasswordsCounter(
-      scoped_refptr<password_manager::PasswordStore> store);
+      scoped_refptr<password_manager::PasswordStore> store,
+      syncer::SyncService* sync_service);
   ~PasswordsCounter() override;
 
   const char* GetPrefName() const override;
@@ -37,10 +53,15 @@ class PasswordsCounter : public browsing_data::BrowsingDataCounter,
   void OnLoginsChanged(
       const password_manager::PasswordStoreChangeList& changes) override;
 
+  // SyncServiceObserver implementation.
+  void OnStateChanged(syncer::SyncService* sync) override;
+
   void Count() override;
 
   base::CancelableTaskTracker cancelable_task_tracker_;
   scoped_refptr<password_manager::PasswordStore> store_;
+  syncer::SyncService* sync_service_;
+  bool password_sync_enabled_;
 };
 
 }  // namespace browsing_data