Added UI to enable debugging features on CrOS

chrome/browser/chromeos/login/screens/mock_enable_debugging_screen.cc

Index: chrome/browser/chromeos/login/screens/mock_enable_debugging_screen.cc
diff --git a/chrome/browser/chromeos/login/screens/mock_enable_debugging_screen.cc b/chrome/browser/chromeos/login/screens/mock_enable_debugging_screen.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a6a5ad4dc4053e71feafe155f507900b68a8a442
--- /dev/null
+++ b/chrome/browser/chromeos/login/screens/mock_enable_debugging_screen.cc
@@ -0,0 +1,36 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/chromeos/login/screens/mock_enable_debugging_screen.h"
+
+using ::testing::AtLeast;
+using ::testing::NotNull;
+
+namespace chromeos {
+
+MockEnableDebuggingScreen::MockEnableDebuggingScreen(
+    BaseScreenDelegate* base_screen_delegate,
+    EnableDebuggingScreenActor* actor)
+    : EnableDebuggingScreen(base_screen_delegate, actor) {
+}
+
+MockEnableDebuggingScreen::~MockEnableDebuggingScreen() {
+}
+
+MockEnableDebuggingScreenActor::MockEnableDebuggingScreenActor() {
+  EXPECT_CALL(*this, MockSetDelegate(NotNull())).Times(AtLeast(1));
+}
+
+MockEnableDebuggingScreenActor::~MockEnableDebuggingScreenActor() {
+  if (delegate_)
+    delegate_->OnActorDestroyed(this);
+}
+
+void MockEnableDebuggingScreenActor::SetDelegate(
+    EnableDebuggingScreenActor::Delegate* delegate) {
+  delegate_ = delegate;
+  MockSetDelegate(delegate);
+}
+
+}  // namespace chromeos