Make //crypto factories return std::unique_ptr<>s

chrome/browser/browsing_data/browsing_data_remover_unittest.cc

Index: chrome/browser/browsing_data/browsing_data_remover_unittest.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover_unittest.cc b/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
index 5c02dcb9dd46d2b4b8c2a55ded720ff975bc1472..b02dc5b04c259d50c05658b7460e3c2a5823cc8d 100644
--- a/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover_unittest.cc
@@ -493,8 +493,7 @@ class RemoveChannelIDTester : public net::SSLConfigService::Observer {
                              base::Time creation_time) {
     GetChannelIDStore()->SetChannelID(
         base::WrapUnique(new net::ChannelIDStore::ChannelID(
-            server_identifier, creation_time,
-            base::WrapUnique(crypto::ECPrivateKey::Create()))));
+            server_identifier, creation_time, crypto::ECPrivateKey::Create())));
   }
 
   // Add a server bound cert for |server|, with the current time as the