Re-write many calls to WrapUnique() with MakeUnique()

ios/web/shell/shell_url_request_context_getter.mm

Index: ios/web/shell/shell_url_request_context_getter.mm
diff --git a/ios/web/shell/shell_url_request_context_getter.mm b/ios/web/shell/shell_url_request_context_getter.mm
index 3440a612146b36200075656f8828a2af6dd9d941..f784595dd1ee926fed15ecb8b202ebdfc5191fda 100644
--- a/ios/web/shell/shell_url_request_context_getter.mm
+++ b/ios/web/shell/shell_url_request_context_getter.mm
@@ -90,8 +90,9 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
     storage_->set_cookie_store(std::move(cookie_store));
 
     std::string user_agent = web::GetWebClient()->GetUserAgent(false);
-    storage_->set_http_user_agent_settings(base::WrapUnique(
-        new net::StaticHttpUserAgentSettings("en-us,en", user_agent)));
+    storage_->set_http_user_agent_settings(
+        base::MakeUnique<net::StaticHttpUserAgentSettings>("en-us,en",
+                                                           user_agent));
     storage_->set_proxy_service(
         net::ProxyService::CreateUsingSystemProxyResolver(
             std::move(proxy_config_service_), 0,
@@ -100,7 +101,7 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
     storage_->set_cert_verifier(net::CertVerifier::CreateDefault());
 
     storage_->set_transport_security_state(
-        base::WrapUnique(new net::TransportSecurityState()));
+        base::MakeUnique<net::TransportSecurityState>());
     storage_->set_cert_transparency_verifier(
         base::WrapUnique(new net::MultiLogCTVerifier));
     storage_->set_ct_policy_enforcer(
@@ -108,9 +109,9 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
     transport_security_persister_.reset(new net::TransportSecurityPersister(
         url_request_context_->transport_security_state(), base_path_,
         file_task_runner_, false));
-    storage_->set_channel_id_service(base::WrapUnique(
-        new net::ChannelIDService(new net::DefaultChannelIDStore(nullptr),
-                                  base::WorkerPool::GetTaskRunner(true))));
+    storage_->set_channel_id_service(base::MakeUnique<net::ChannelIDService>(
+        new net::DefaultChannelIDStore(nullptr),
+        base::WorkerPool::GetTaskRunner(true)));
     storage_->set_http_server_properties(
         std::unique_ptr<net::HttpServerProperties>(
             new net::HttpServerPropertiesImpl()));
@@ -152,10 +153,10 @@ net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
                                            cache_path, 0, cache_task_runner_));
 
     storage_->set_http_network_session(
-        base::WrapUnique(new net::HttpNetworkSession(network_session_params)));
-    storage_->set_http_transaction_factory(base::WrapUnique(new net::HttpCache(
+        base::MakeUnique<net::HttpNetworkSession>(network_session_params));
+    storage_->set_http_transaction_factory(base::MakeUnique<net::HttpCache>(
         storage_->http_network_session(), std::move(main_backend),
-        true /* set_up_quic_server_info */)));
+        true /* set_up_quic_server_info */));
 
     std::unique_ptr<net::URLRequestJobFactoryImpl> job_factory(
         new net::URLRequestJobFactoryImpl());