Refactor components/unified_consent/* to use OnPrimaryAccountChanged()

Method OnPrimaryAccountCleared() is deprecated. This cl changes the
unified_consent code to use OnPrimaryAccountChanged() instead.

Bug: 1158855
Change-Id: I79f04420e957a95972651851b3dd706e7a9eaa05
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2622373Reviewed-by: Mihai Sardarescu <msarda@chromium.org>
Commit-Queue: Tanmoy Mollik <triploblastic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842106}

components/unified_consent/unified_consent_service.cc

@@ -66,10 +66,14 @@ void UnifiedConsentService::Shutdown() {
   sync_service_->RemoveObserver(this);
 }
 
-void UnifiedConsentService::OnPrimaryAccountCleared(
-    const CoreAccountInfo& account_info) {
-  // By design, clearing the primary account disables URL-keyed data collection.
-  SetUrlKeyedAnonymizedDataCollectionEnabled(false);
+void UnifiedConsentService::OnPrimaryAccountChanged(
+    const signin::PrimaryAccountChangeEvent& event) {
+  if (event.GetEventTypeFor(signin::ConsentLevel::kSync) ==
+      signin::PrimaryAccountChangeEvent::Type::kCleared) {
+    // By design, clearing the primary account disables URL-keyed data
+    // collection.
+    SetUrlKeyedAnonymizedDataCollectionEnabled(false);
+  }
 }
 
 void UnifiedConsentService::OnStateChanged(syncer::SyncService* sync) {

components/unified_consent/unified_consent_service.h

@@ -76,8 +76,8 @@ class UnifiedConsentService
   void Shutdown() override;
 
   // IdentityManager::Observer:
-  void OnPrimaryAccountCleared(
-      const CoreAccountInfo& previous_primary_account_info) override;
+  void OnPrimaryAccountChanged(
+      const signin::PrimaryAccountChangeEvent& event) override;
 
  private:
   friend class UnifiedConsentServiceTest;