Parallel recompilation: remove interrupt for code generation.

test/mjsunit/compiler/parallel-proto-change.js

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-// Flags: --allow-natives-syntax
-// Flags: --parallel-recompilation --manual-parallel-recompilation
+// Flags: --allow-natives-syntax --parallel-recompilation
 
 function f(foo) { return foo.bar(); }
 
 var o = {};
 o.__proto__ = { __proto__: { bar: function() { return 1; } } };
 
 assertEquals(1, f(o));
 assertEquals(1, f(o));
 
-%ForceParallelRecompile(f);
+%OptimizeFunctionOnNextCall(f, "parallel");
+assertEquals(1, f(o));
 // Change the prototype chain during optimization.
 o.__proto__.__proto__ = { bar: function() { return 2; } };
-%InstallRecompiledCode(f);
+
+%WaitUntilOptimized(f);
 
 assertEquals(2, f(o));