TestScreen shouldn't be marked aura export

ui/aura/test/test_screen.cc

Index: ui/aura/test/test_screen.cc
diff --git a/ui/aura/test/test_screen.cc b/ui/aura/test/test_screen.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e61db9fdcdc5ea8eb19f88072e052de29baa6297
--- /dev/null
+++ b/ui/aura/test/test_screen.cc
@@ -0,0 +1,61 @@
+// Copyright (c) 2012 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 "ui/aura/test/test_screen.h"
+
+#include "base/logging.h"
+#include "ui/aura/root_window.h"
+#include "ui/aura/window.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace aura {
+
+TestScreen::TestScreen(aura::RootWindow* root_window)
+    : root_window_(root_window) {
+}
+
+TestScreen::~TestScreen() {
+}
+
+gfx::Point TestScreen::GetCursorScreenPointImpl() {
+  return root_window_->last_mouse_location();
+}
+
+gfx::Rect TestScreen::GetMonitorWorkAreaNearestWindowImpl(
+    gfx::NativeWindow window) {
+  return GetBounds();
+}
+
+gfx::Rect TestScreen::GetMonitorAreaNearestWindowImpl(
+    gfx::NativeWindow window) {
+  return GetBounds();
+}
+
+gfx::Rect TestScreen::GetMonitorWorkAreaNearestPointImpl(
+    const gfx::Point& point) {
+  return GetBounds();
+}
+
+gfx::Rect TestScreen::GetMonitorAreaNearestPointImpl(const gfx::Point& point) {
+  return GetBounds();
+}
+
+gfx::NativeWindow TestScreen::GetWindowAtCursorScreenPointImpl() {
+  const gfx::Point point = GetCursorScreenPoint();
+  return root_window_->GetTopWindowContainingPoint(point);
+}
+
+gfx::Rect TestScreen::GetBounds() {
+  return gfx::Rect(root_window_->bounds().size());
+}
+
+gfx::Size TestScreen::GetPrimaryMonitorSizeImpl() {
+  return GetBounds().size();
+}
+
+int TestScreen::GetNumMonitorsImpl() {
+  return 1;
+}
+
+}  // namespace aura