[debug] Add Eval scope type to inspector protocol

test/inspector/debugger/eval-scopes.js

+// Copyright 2016 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.
+
+InspectorTest.addScript(
+`function testNonEmptyEvalScope() {
+  eval("'use strict'; var hest = 420; debugger;");
+}
+function testEmptyEvalScope() {
+  eval("var fisk = 42; testNonEmptyEvalScope();");
+}`);
+
+Protocol.Debugger.enable();
+Protocol.Debugger.oncePaused().then(dumpScopeOnPause);
+Protocol.Runtime.evaluate({ "expression": "testEmptyEvalScope();" });
+
+var waitScopeObjects = 0;
+function dumpScopeOnPause(message)
+{
+  var scopeChain = message.params.callFrames[0].scopeChain;
+  var evalScopeObjectIds = [];
+  for (var scope of scopeChain) {
+    if (scope.type === "eval") {
+      evalScopeObjectIds.push(scope.object.objectId);
+    }
+  }
+  waitScopeObjects = evalScopeObjectIds.length;
+  if (!waitScopeObjects) {
+    InspectorTest.completeTest();
+  } else {
+    for (var objectId of evalScopeObjectIds)
+      Protocol.Runtime.getProperties({ "objectId" : objectId })
+          .then(dumpProperties);
+  }
+}
+
+function dumpProperties(message)
+{
+  InspectorTest.logMessage(message);
+  --waitScopeObjects;
+  if (!waitScopeObjects)
+    Protocol.Debugger.resume().then(InspectorTest.completeTest);
+}