Removed the dependency of the test RunComputedCodeObject from RawMachineAssemblerTester.

test/cctest/compiler/graph-builder-tester.h

Index: test/cctest/compiler/graph-builder-tester.h
diff --git a/test/cctest/compiler/graph-builder-tester.h b/test/cctest/compiler/graph-builder-tester.h
index e0c59420c29c78855b675ffd5e9904ef02c3a081..dba4369bd149d9c0eb96ec02f3d5228ab3110834 100644
--- a/test/cctest/compiler/graph-builder-tester.h
+++ b/test/cctest/compiler/graph-builder-tester.h
@@ -229,6 +229,11 @@ class GraphBuilderTester : public HandleAndZoneScope,
     return MakeNode(op, value_input_count, value_inputs);
   }
 
+  Handle<Code> GetCode() {
+    Generate();
+    return code_.ToHandleChecked();
+  }
+
  protected:
   Node* MakeNode(const Operator* op, int value_input_count,
                  Node** value_inputs) {