Added API for getting object mirrors

test/cctest/test-debug.cc

Index: test/cctest/test-debug.cc
diff --git a/test/cctest/test-debug.cc b/test/cctest/test-debug.cc
index 9e2c38dbeeda4eae13a9fd83bc7df966e9eaefea..a86317ad3861582b9a0e62fc4fe41018f8dd7d9c 100644
--- a/test/cctest/test-debug.cc
+++ b/test/cctest/test-debug.cc
@@ -5357,3 +5357,20 @@ TEST(NoDebugBreakInAfterCompileMessageHandler) {
   v8::Debug::SetMessageHandler2(NULL);
   CheckDebuggerUnloaded();
 }
+
+
+TEST(GetMirror) {
+  v8::HandleScope scope;
+  DebugLocalContext env;
+  v8::Handle<v8::Value> obj = v8::Debug::GetMirror(v8::String::New("hodja"));
+  v8::Handle<v8::Function> run_test = v8::Handle<v8::Function>::Cast(
+      v8::Script::New(
+          v8::String::New(
+              "function runTest(mirror) {"
+              "  return mirror.isString() && (mirror.length() == 5);"
+              "}"
+              ""
+              "runTest;"))->Run());
+  v8::Handle<v8::Value> result = run_test->Call(env->Global(), 1, &obj);
+  CHECK(result->IsTrue());
+}