[SyncFS] Split SyncEngine and SyncEngineContext

chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer_unittest.cc

Index: chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer_unittest.cc
diff --git a/chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer_unittest.cc b/chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer_unittest.cc
index a416d0553127af9cc38a6e2818da9cd7e95275f6..2deac58bf04bc5441ecc58bfe9f86f0a1009d5c0 100644
--- a/chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer_unittest.cc
+++ b/chrome/browser/sync_file_system/drive_backend/remote_to_local_syncer_unittest.cc
@@ -42,8 +42,7 @@ fileapi::FileSystemURL URL(const GURL& origin,
 
 }  // namespace
 
-class RemoteToLocalSyncerTest : public testing::Test,
-                                public SyncEngineContext {
+class RemoteToLocalSyncerTest : public testing::Test {
  public:
   typedef FakeRemoteChangeProcessor::URLToFileChangesMap URLToFileChangesMap;
 
@@ -55,19 +54,27 @@ class RemoteToLocalSyncerTest : public testing::Test,
     ASSERT_TRUE(database_dir_.CreateUniqueTempDir());
     in_memory_env_.reset(leveldb::NewMemEnv(leveldb::Env::Default()));
 
-    fake_drive_service_.reset(new drive::FakeDriveService);
-    ASSERT_TRUE(fake_drive_service_->LoadAccountMetadataForWapi(
+    scoped_ptr<drive::FakeDriveService> fake_drive_service;
+    fake_drive_service.reset(new drive::FakeDriveService);
+    ASSERT_TRUE(fake_drive_service->LoadAccountMetadataForWapi(
         "sync_file_system/account_metadata.json"));
-    ASSERT_TRUE(fake_drive_service_->LoadResourceListForWapi(
+    ASSERT_TRUE(fake_drive_service->LoadResourceListForWapi(
         "gdata/empty_feed.json"));
 
-    drive_uploader_.reset(new drive::DriveUploader(
-        fake_drive_service_.get(), base::MessageLoopProxy::current().get()));
+    scoped_ptr<drive::DriveUploader> drive_uploader;
+    drive_uploader.reset(new drive::DriveUploader(
+        fake_drive_service.get(), base::MessageLoopProxy::current().get()));
     fake_drive_helper_.reset(new FakeDriveServiceHelper(
-        fake_drive_service_.get(), drive_uploader_.get(),
+        fake_drive_service.get(), drive_uploader.get(),
         kSyncRootFolderTitle));
     fake_remote_change_processor_.reset(new FakeRemoteChangeProcessor);
 
+    context_.reset(new SyncEngineContext(
+        fake_drive_service.PassAs<drive::DriveServiceInterface>(),
+        drive_uploader.PassAs<drive::DriveUploaderInterface>(),
+        base::MessageLoopProxy::current()));
+    context_->SetRemoteChangeProcessor(fake_remote_change_processor_.get());
+
     RegisterSyncableFileSystem();
   }
 
@@ -75,53 +82,35 @@ class RemoteToLocalSyncerTest : public testing::Test,
     RevokeSyncableFileSystem();
 
     fake_remote_change_processor_.reset();
-    metadata_database_.reset();
     fake_drive_helper_.reset();
-    drive_uploader_.reset();
-    fake_drive_service_.reset();
+    context_.reset();
     base::RunLoop().RunUntilIdle();
   }
 
   void InitializeMetadataDatabase() {
-    SyncEngineInitializer initializer(this,
+    SyncEngineInitializer initializer(context_.get(),
                                       base::MessageLoopProxy::current(),
-                                      fake_drive_service_.get(),
+                                      context_->GetDriveService(),
                                       database_dir_.path(),
                                       in_memory_env_.get());
     SyncStatusCode status = SYNC_STATUS_UNKNOWN;
     initializer.RunSequential(CreateResultReceiver(&status));
     base::RunLoop().RunUntilIdle();
     EXPECT_EQ(SYNC_STATUS_OK, status);
-    metadata_database_ = initializer.PassMetadataDatabase();
+    context_->SetMetadataDatabase(initializer.PassMetadataDatabase());
   }
 
   void RegisterApp(const std::string& app_id,
                    const std::string& app_root_folder_id) {
     SyncStatusCode status = SYNC_STATUS_FAILED;
-    metadata_database_->RegisterApp(app_id, app_root_folder_id,
-                                    CreateResultReceiver(&status));
+    context_->GetMetadataDatabase()->RegisterApp(app_id, app_root_folder_id,
+                                                 CreateResultReceiver(&status));
     base::RunLoop().RunUntilIdle();
     EXPECT_EQ(SYNC_STATUS_OK, status);
   }
 
-  virtual drive::DriveServiceInterface* GetDriveService() OVERRIDE {
-    return fake_drive_service_.get();
-  }
-
-  virtual drive::DriveUploaderInterface* GetDriveUploader() OVERRIDE {
-    return drive_uploader_.get();
-  }
-
-  virtual MetadataDatabase* GetMetadataDatabase() OVERRIDE {
-    return metadata_database_.get();
-  }
-
-  virtual RemoteChangeProcessor* GetRemoteChangeProcessor() OVERRIDE {
-    return fake_remote_change_processor_.get();
-  }
-
-  virtual base::SequencedTaskRunner* GetBlockingTaskRunner() OVERRIDE {
-    return base::MessageLoopProxy::current().get();
+  MetadataDatabase* GetMetadataDatabase() {
+    return context_->GetMetadataDatabase();
   }
 
  protected:
@@ -171,7 +160,8 @@ class RemoteToLocalSyncerTest : public testing::Test,
 
   SyncStatusCode RunSyncer() {
     SyncStatusCode status = SYNC_STATUS_UNKNOWN;
-    scoped_ptr<RemoteToLocalSyncer> syncer(new RemoteToLocalSyncer(this));
+    scoped_ptr<RemoteToLocalSyncer>
+        syncer(new RemoteToLocalSyncer(context_.get()));
     syncer->RunSequential(CreateResultReceiver(&status));
     base::RunLoop().RunUntilIdle();
     return status;
@@ -184,7 +174,7 @@ class RemoteToLocalSyncerTest : public testing::Test,
   }
 
   SyncStatusCode ListChanges() {
-    ListChangesTask list_changes(this);
+    ListChangesTask list_changes(context_.get());
     SyncStatusCode status = SYNC_STATUS_UNKNOWN;
     list_changes.RunSequential(CreateResultReceiver(&status));
     base::RunLoop().RunUntilIdle();
@@ -206,10 +196,8 @@ class RemoteToLocalSyncerTest : public testing::Test,
   base::ScopedTempDir database_dir_;
   scoped_ptr<leveldb::Env> in_memory_env_;
 
-  scoped_ptr<drive::FakeDriveService> fake_drive_service_;
-  scoped_ptr<drive::DriveUploader> drive_uploader_;
+  scoped_ptr<SyncEngineContext> context_;
   scoped_ptr<FakeDriveServiceHelper> fake_drive_helper_;
-  scoped_ptr<MetadataDatabase> metadata_database_;
   scoped_ptr<FakeRemoteChangeProcessor> fake_remote_change_processor_;
 
   URLToFileChangesMap expected_changes_;