Convert c/b/sync_file_system/drive_backend/ to OnPrimaryAccountChanged()

Methods OnPrimaryAccountSet/Cleared() are deprecated, so this CL changes
the chrome/browser/sync_file_system/drive_backend/* to override the
method OnPrimaryAccountChanged().

Bug: 1163126
Change-Id: Ib619c24eff3778cf658acfef90009e240d7cea09
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2611088
Commit-Queue: Kinuko Yasuda <kinuko@chromium.org>
Auto-Submit: Mihai Sardarescu <msarda@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Reviewed-by: Tanmoy Mollik <triploblastic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#840964}

chrome/browser/apps/platform_apps/api/sync_file_system/sync_file_system_browsertest.cc

@@ -29,6 +29,8 @@
 #include "storage/browser/quota/quota_manager.h"
 #include "third_party/leveldatabase/leveldb_chrome.h"
 
+using signin::PrimaryAccountChangeEvent;
+
 namespace sync_file_system {
 
 namespace {
@@ -125,11 +127,6 @@ class SyncFileSystemTest : public extensions::PlatformAppBrowserTest,
 
   void SignIn() {
     identity_test_env_->SetPrimaryAccount(kEmail);
-
-    // It's necessary to invoke this method manually as the observer callback is
-    // not triggered on ChromeOS.
-    sync_engine()->OnPrimaryAccountSet(
-        identity_test_env_->identity_manager()->GetPrimaryAccountInfo());
   }
 
   void SetSyncEnabled(bool enabled) {
@@ -184,8 +181,11 @@ IN_PROC_BROWSER_TEST_F(SyncFileSystemTest, AuthorizationTest) {
   // service.  Wait for the completion and resume the app.
   WaitUntilIdle();
 
-  sync_engine()->OnPrimaryAccountCleared(
-      identity_manager()->GetPrimaryAccountInfo());
+  sync_engine()->OnPrimaryAccountChanged(
+      PrimaryAccountChangeEvent(PrimaryAccountChangeEvent::State(
+                                    identity_manager()->GetPrimaryAccountInfo(),
+                                    signin::ConsentLevel::kSync),
+                                PrimaryAccountChangeEvent::State()));
   foo_created.Reply("resume");
 
   ASSERT_TRUE(bar_created.WaitUntilSatisfied());
@@ -198,8 +198,11 @@ IN_PROC_BROWSER_TEST_F(SyncFileSystemTest, AuthorizationTest) {
   EXPECT_EQ(REMOTE_SERVICE_AUTHENTICATION_REQUIRED,
             sync_engine()->GetCurrentState());
 
-  sync_engine()->OnPrimaryAccountSet(
-      identity_manager()->GetPrimaryAccountInfo());
+  sync_engine()->OnPrimaryAccountChanged(
+      PrimaryAccountChangeEvent(PrimaryAccountChangeEvent::State(),
+                                PrimaryAccountChangeEvent::State(
+                                    identity_manager()->GetPrimaryAccountInfo(),
+                                    signin::ConsentLevel::kSync)));
   WaitUntilIdle();
 
   bar_created.Reply("resume");

chrome/browser/sync_file_system/drive_backend/sync_engine.cc

@@ -710,16 +710,20 @@ void SyncEngine::OnConnectionChanged(network::mojom::ConnectionType type) {
   }
 }
 
-void SyncEngine::OnPrimaryAccountSet(
-    const CoreAccountInfo& primary_account_info) {
+void SyncEngine::OnPrimaryAccountChanged(
+    const signin::PrimaryAccountChangeEvent& event_details) {
+  switch (event_details.GetEventTypeFor(signin::ConsentLevel::kSync)) {
+    case signin::PrimaryAccountChangeEvent::Type::kSet:
       Initialize();
-}
-
-void SyncEngine::OnPrimaryAccountCleared(
-    const CoreAccountInfo& previous_primary_account_info) {
+      return;
+    case signin::PrimaryAccountChangeEvent::Type::kCleared:
       Reset();
       UpdateServiceState(REMOTE_SERVICE_AUTHENTICATION_REQUIRED,
                          "User signed out.");
+      return;
+    case signin::PrimaryAccountChangeEvent::Type::kNone:
+      return;
+  }
 }
 
 SyncEngine::SyncEngine(

chrome/browser/sync_file_system/drive_backend/sync_engine.h

@@ -145,10 +145,8 @@ class SyncEngine
   void OnConnectionChanged(network::mojom::ConnectionType type) override;
 
   // IdentityManager::Observer overrides.
-  void OnPrimaryAccountSet(
-      const CoreAccountInfo& primary_account_info) override;
-  void OnPrimaryAccountCleared(
-      const CoreAccountInfo& previous_primary_account_info) override;
+  void OnPrimaryAccountChanged(
+      const signin::PrimaryAccountChangeEvent& event) override;
 
  private:
   class WorkerObserver;