Make operators on scoped_ptr match the ones defined for std::unique_ptr

components/ssl_errors/BUILD.gn

Index: components/ssl_errors/BUILD.gn
diff --git a/components/ssl_errors/BUILD.gn b/components/ssl_errors/BUILD.gn
index cc1c7cebcf6c63b203e02fac7cf04cea25961902..56511d1324afa9ecfc741a981798d66e675dbed1 100644
--- a/components/ssl_errors/BUILD.gn
+++ b/components/ssl_errors/BUILD.gn
@@ -18,15 +18,3 @@ source_set("ssl_errors") {
     "//ui/base",
   ]
 }
-
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "error_classification_unittests.cc",
-  ]
-
-  deps = [
-    ":ssl_errors",
-    "//testing/gtest",
-  ]
-}