Migrate SyncedBookmarksObserverBridge to the IdentityManager

Replace usage of SigninManagerBase::IsAuthenticated with
IdentityManager::HasPrimaryAccount().

Bug: 903840
Change-Id: I907301ebe26df1a1b7c718a30ec0051b26a5ad55
Reviewed-on: https://chromium-review.googlesource.com/c/1332300Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Mario Sanchez Prada <mario@igalia.com>
Cr-Commit-Position: refs/heads/master@{#607645}

ios/chrome/browser/ui/bookmarks/synced_bookmarks_bridge.h

@@ -10,10 +10,13 @@
 #include "base/macros.h"
 #import "ios/chrome/browser/sync/sync_observer_bridge.h"
 
+namespace identity {
+class IdentityManager;
+}
+
 namespace ios {
 class ChromeBrowserState;
 }
-class SigninManager;
 
 namespace sync_bookmarks {
 
@@ -30,7 +33,7 @@ class SyncedBookmarksObserverBridge : public SyncObserverBridge {
   bool IsPerformingInitialSync();
 
  private:
-  SigninManager* signin_manager_;
+  identity::IdentityManager* identity_manager_;
   ios::ChromeBrowserState* browser_state_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncedBookmarksObserverBridge);

ios/chrome/browser/ui/bookmarks/synced_bookmarks_bridge.mm

@@ -5,12 +5,12 @@
 #import "ios/chrome/browser/ui/bookmarks/synced_bookmarks_bridge.h"
 
 #include "components/browser_sync/profile_sync_service.h"
-#include "components/signin/core/browser/signin_manager.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
-#include "ios/chrome/browser/signin/signin_manager_factory.h"
+#include "ios/chrome/browser/signin/identity_manager_factory.h"
 #include "ios/chrome/browser/sync/profile_sync_service_factory.h"
 #include "ios/chrome/browser/sync/sync_setup_service.h"
 #include "ios/chrome/browser/sync/sync_setup_service_factory.h"
+#include "services/identity/public/cpp/identity_manager.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
@@ -26,8 +26,8 @@ SyncedBookmarksObserverBridge::SyncedBookmarksObserverBridge(
     : SyncObserverBridge(
           delegate,
           ProfileSyncServiceFactory::GetForBrowserState(browserState)),
-      signin_manager_(
-          ios::SigninManagerFactory::GetForBrowserState(browserState)),
+      identity_manager_(
+          IdentityManagerFactory::GetForBrowserState(browserState)),
       browser_state_(browserState) {}
 
 SyncedBookmarksObserverBridge::~SyncedBookmarksObserverBridge() {}
@@ -35,7 +35,7 @@ SyncedBookmarksObserverBridge::~SyncedBookmarksObserverBridge() {}
 #pragma mark - Signin and syncing status
 
 bool SyncedBookmarksObserverBridge::IsSignedIn() {
-  return signin_manager_->IsAuthenticated();
+  return identity_manager_->HasPrimaryAccount();
 }
 
 bool SyncedBookmarksObserverBridge::IsPerformingInitialSync() {