ExtensionSyncService cleanup: process uninstalls in one step

chrome/browser/extensions/extension_sync_service.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_SYNC_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SYNC_SERVICE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 25 matching lines @@
  public:
   ExtensionSyncService(Profile* profile,
                        extensions::ExtensionPrefs* extension_prefs,
                        ExtensionService* extension_service);
 
   ~ExtensionSyncService() override;
 
   // Convenience function to get the ExtensionSyncService for a BrowserContext.
   static ExtensionSyncService* Get(content::BrowserContext* context);
 
-  // Extracts the data needed to sync the uninstall of |extension|, but doesn't
-  // actually sync anything now. Call |ProcessSyncUninstallExtension| later with
-  // the returned SyncData to actually commit the change.
-  syncer::SyncData PrepareToSyncUninstallExtension(
-      const extensions::Extension& extension);
-  // Commit a sync uninstall that was previously prepared with
-  // PrepareToSyncUninstallExtension.
-  void ProcessSyncUninstallExtension(const std::string& extension_id,
-                                     const syncer::SyncData& sync_data);
+  void SyncUninstallExtension(const extensions::Extension& extension);
 
   void SyncEnableExtension(const extensions::Extension& extension);
   void SyncDisableExtension(const extensions::Extension& extension);
 
   void SyncOrderingChange(const std::string& extension_id);
 
   // Notifies Sync (if needed) of a newly-installed extension or a change to
   // an existing extension.
   void SyncExtensionChangeIfNeeded(const extensions::Extension& extension);
 
@@ skipping 74 matching lines @@
 
   // Run()ning tells sync to try and start soon, because syncable changes
   // have started happening. It will cause sync to call us back
   // asynchronously via MergeDataAndStartSyncing as soon as possible.
   syncer::SyncableService::StartSyncFlare flare_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSyncService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_SYNC_SERVICE_H_