refactor: use std::make_unique/base::MakeRefCounted when possible (#29637)

shell/browser/api/electron_api_web_contents.cc

@@ -655,7 +655,8 @@ WebContents::WebContents(v8::Isolate* isolate,
     : content::WebContentsObserver(web_contents.get()),
       type_(type),
       id_(GetAllWebContents().Add(this)),
-      devtools_file_system_indexer_(new DevToolsFileSystemIndexer),
+      devtools_file_system_indexer_(
+          base::MakeRefCounted<DevToolsFileSystemIndexer>()),
       file_task_runner_(
           base::ThreadPool::CreateSequencedTaskRunner({base::MayBlock()}))
 #if BUILDFLAG(ENABLE_PRINTING)

shell/browser/electron_browser_context.cc

@@ -104,7 +104,7 @@ ElectronBrowserContext::ElectronBrowserContext(const std::string& partition,
                                                bool in_memory,
                                                base::DictionaryValue options)
     : storage_policy_(base::MakeRefCounted<SpecialStoragePolicy>()),
-      protocol_registry_(new ProtocolRegistry),
+      protocol_registry_(base::WrapUnique(new ProtocolRegistry)),
       in_memory_(in_memory),
       ssl_config_(network::mojom::SSLConfig::New()) {
   user_agent_ = ElectronBrowserClient::Get()->GetUserAgent();

shell/browser/extensions/electron_extension_system.cc

@@ -49,7 +49,8 @@ namespace extensions {
 ElectronExtensionSystem::ElectronExtensionSystem(
     BrowserContext* browser_context)
     : browser_context_(browser_context),
-      store_factory_(new ValueStoreFactoryImpl(browser_context->GetPath())) {}
+      store_factory_(base::MakeRefCounted<ValueStoreFactoryImpl>(
+          browser_context->GetPath())) {}
 
 ElectronExtensionSystem::~ElectronExtensionSystem() = default;