[turbofan] Turn common Guard operator into simplified TypeGuard.

test/unittests/compiler/node-test-utils.h

Index: test/unittests/compiler/node-test-utils.h
diff --git a/test/unittests/compiler/node-test-utils.h b/test/unittests/compiler/node-test-utils.h
index 80f655c64f36ec4d21d20bf80137eeec255e4f54..4979bd5c4dd573d688cb0bac2215c48f6725c354 100644
--- a/test/unittests/compiler/node-test-utils.h
+++ b/test/unittests/compiler/node-test-utils.h
@@ -387,9 +387,9 @@ Matcher<Node*> IsWord32PairSar(const Matcher<Node*>& lhs_matcher,
                                const Matcher<Node*>& rhs_matcher);
 
 Matcher<Node*> IsStackSlot();
-Matcher<Node*> IsGuard(const Matcher<Type*>& type_matcher,
-                       const Matcher<Node*>& value_matcher,
-                       const Matcher<Node*>& control_matcher);
+Matcher<Node*> IsTypeGuard(const Matcher<Type*>& type_matcher,
+                           const Matcher<Node*>& value_matcher,
+                           const Matcher<Node*>& control_matcher);
 
 }  // namespace compiler
 }  // namespace internal