Add missing method for IdentityManagerObserverBridge

IdentityManagerObserverBridge provides a bridge from C++ to
Objective-C for IdentityManager::Observer but lacked methods
that were recently added.

Fixes this by adding missing overrides.

Bug: none
Change-Id: I5004e23b18e043a8d8bd5736d394aa1d8222a72d
Reviewed-on: https://chromium-review.googlesource.com/c/1354920
Commit-Queue: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: Mihai Sardarescu <msarda@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612182}

services/identity/public/objc/identity_manager_observer_bridge.h

@@ -27,7 +27,10 @@
 - (void)onRefreshTokenUpdatedForAccount:(const AccountInfo&)accountInfo
                                   valid:(BOOL)isValid;
 - (void)onRefreshTokenRemovedForAccount:(const std::string&)accountId;
+- (void)onRefreshTokensLoaded;
 - (void)onAccountsInCookieUpdated:(const std::vector<AccountInfo>&)accounts;
+- (void)onStartBatchOfRefreshTokenStateChanges;
+- (void)onEndBatchOfRefreshTokenStateChanges;
 
 @end
 
@@ -49,8 +52,11 @@ class IdentityManagerObserverBridge : public IdentityManager::Observer {
   void OnRefreshTokenUpdatedForAccount(const AccountInfo& account_info,
                                        bool is_valid) override;
   void OnRefreshTokenRemovedForAccount(const std::string& account_id) override;
+  void OnRefreshTokensLoaded() override;
   void OnAccountsInCookieUpdated(
       const std::vector<AccountInfo>& accounts) override;
+  void OnStartBatchOfRefreshTokenStateChanges() override;
+  void OnEndBatchOfRefreshTokenStateChanges() override;
 
  private:
   // Identity manager to observe.

services/identity/public/objc/identity_manager_observer_bridge.mm

@@ -52,6 +52,12 @@ void IdentityManagerObserverBridge::OnRefreshTokenRemovedForAccount(
   }
 }
 
+void IdentityManagerObserverBridge::OnRefreshTokensLoaded() {
+  if ([delegate_ respondsToSelector:@selector(onRefreshTokensLoaded)]) {
+    [delegate_ onRefreshTokensLoaded];
+  }
+}
+
 void IdentityManagerObserverBridge::OnAccountsInCookieUpdated(
     const std::vector<AccountInfo>& accounts) {
   if ([delegate_ respondsToSelector:@selector(onAccountsInCookieUpdated:)]) {
@@ -59,4 +65,18 @@ void IdentityManagerObserverBridge::OnAccountsInCookieUpdated(
   }
 }
 
+void IdentityManagerObserverBridge::OnStartBatchOfRefreshTokenStateChanges() {
+  if ([delegate_ respondsToSelector:@selector
+                 (onStartBatchOfRefreshTokenStateChanges)]) {
+    [delegate_ onStartBatchOfRefreshTokenStateChanges];
+  }
+}
+
+void IdentityManagerObserverBridge::OnEndBatchOfRefreshTokenStateChanges() {
+  if ([delegate_
+          respondsToSelector:@selector(onEndBatchOfRefreshTokenStateChanges)]) {
+    [delegate_ onEndBatchOfRefreshTokenStateChanges];
+  }
+}
+
 }  // namespace identity