Remove obsolete unchecked accessors in JSFunction.

src/heap-snapshot-generator.cc

Index: src/heap-snapshot-generator.cc
diff --git a/src/heap-snapshot-generator.cc b/src/heap-snapshot-generator.cc
index 217d1ca25ecfa9dae22b7270b973700c67a2a09f..fc18c0fe8bb1f8c58fb283b1ae9fed00b8984861 100644
--- a/src/heap-snapshot-generator.cc
+++ b/src/heap-snapshot-generator.cc
@@ -1048,9 +1048,9 @@ void V8HeapExplorer::ExtractJSObjectReferences(
     SetInternalReference(js_fun, entry,
                          "shared", shared_info,
                          JSFunction::kSharedFunctionInfoOffset);
-    TagObject(js_fun->unchecked_context(), "(context)");
+    TagObject(js_fun->context(), "(context)");
     SetInternalReference(js_fun, entry,
-                         "context", js_fun->unchecked_context(),
+                         "context", js_fun->context(),
                          JSFunction::kContextOffset);
     for (int i = JSFunction::kNonWeakFieldsEndOffset;
          i < JSFunction::kSize;