[DevTools] Migrate inspector-protocol/debugger tests to new harness

third_party/WebKit/LayoutTests/inspector-protocol/debugger/setScriptSource.js

+(async function(testRunner) {
+  let {page, session, dp} = await testRunner.startBlank('');
+
+  function logEqualsCheck(actual, expected) {
+    if (actual == expected) {
+      testRunner.log('PASS, result value: ' + actual);
+    } else {
+      testRunner.log('FAIL, actual value: ' + actual + ', expected: ' + expected);
+    }
+  }
+
+  await session.evaluate(
+    `function TestExpression(a, b) {
+      return a + b;
+    }`);
+
+  await dp.Debugger.enable();
+
+  var response = await dp.Runtime.evaluate({expression: 'TestExpression(2, 4)' });
+  testRunner.log('Function evaluate: ' + JSON.stringify(response.result.result));
+  logEqualsCheck(response.result.result.value, 6);
+
+  var functionObjectId = (await dp.Runtime.evaluate({expression: 'TestExpression' })).result.result.objectId;
+  var result = (await dp.Runtime.getProperties({ objectId: functionObjectId})).result;
+  var scriptId;
+  for (var prop of result.internalProperties) {
+    if (prop.name === '[[FunctionLocation]]')
+      scriptId = prop.value.value.scriptId;
+  }
+
+  var originalText = (await dp.Debugger.getScriptSource({scriptId})).result.scriptSource;
+  var patched = originalText.replace('a + b', 'a * b');
+  await dp.Debugger.setScriptSource({scriptId, scriptSource: patched});
+
+  var response = await dp.Runtime.evaluate({expression: 'TestExpression(2, 4)' });
+  testRunner.log('Function evaluate: ' + JSON.stringify(response.result.result));
+  logEqualsCheck(response.result.result.value, 8);
+
+  patched = originalText.replace('a + b', 'a # b');
+  var exceptionDetails = (await dp.Debugger.setScriptSource({scriptId, scriptSource: patched})).result.exceptionDetails;
+  testRunner.log(`Has error reported: ${!!exceptionDetails ? 'PASS' : 'FAIL'}`, );
+  testRunner.log(`Reported error is a compile error: ${!!exceptionDetails ? 'PASS' : 'FAIL'}`, );
+  if (exceptionDetails)
+    logEqualsCheck(exceptionDetails.lineNumber, 1);
+  testRunner.completeTest();
+})