[debugger] expose side-effect free evaluate to inspector.

test/debugger/debug/debug-evaluate-no-side-effect-control.js

 // Copyright 2017 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --ignition --side-effect-free-debug-evaluate
+// Flags: --ignition
 
 Debug = debug.Debug
 
 var exception = null;
 
 var o = { p : 1 };
 
 var successes = [
   [45,
    `(function() {
@@ skipping 62 matching lines @@
      with (o) {
        p = 2;
      }
    })()`,
 ];
 
 function listener(event, exec_state, event_data, data) {
   if (event != Debug.DebugEvent.Break) return;
   try {
     successes.forEach(function ([expectation, source]) {
-      assertEquals(expectation, exec_state.frame(0).evaluate(source).value());
+      assertEquals(expectation,
+                   exec_state.frame(0).evaluate(source, true).value());
     });
     fails.forEach(function (test) {
-      assertThrows(() => exec_state.frame(0).evaluate(test), EvalError);
+      assertThrows(() => exec_state.frame(0).evaluate(test, true), EvalError);
     });
   } catch (e) {
     exception = e;
     print(e, e.stack);
   };
 };
 
 // Add the debug event listener.
 Debug.setListener(listener);
 
 function f() {
   debugger;
 };
 
 f();
 
 assertNull(exception);