Add window manager component.

wm/test/wm_test_base.h

Index: wm/test/wm_test_base.h
diff --git a/wm/test/wm_test_base.h b/wm/test/wm_test_base.h
new file mode 100644
index 0000000000000000000000000000000000000000..be882845e29fd4c0506a89b1e577f65861bce3de
--- /dev/null
+++ b/wm/test/wm_test_base.h
@@ -0,0 +1,40 @@
+// Copyright (c) 2013 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.
+
+#ifndef WM_TEST_WM_TEST_BASE_H_
+#define WM_TEST_WM_TEST_BASE_H_
+
+#include "ash/shell.h"
+#include "base/compiler_specific.h"
+#include "base/message_loop.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/aura/env_observer.h"
+
+namespace wm {
+namespace test {
+
+class WmTestBase : public testing::Test {
+ public:
+  WmTestBase();
+  virtual ~WmTestBase();
+
+  MessageLoopForUI* message_loop() { return &message_loop_; }
+
+  // Overridden from testing::Test:
+  virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
+
+ protected:
+  void RunAllPendingInMessageLoop();
+
+ private:
+  MessageLoopForUI message_loop_;
+
+  DISALLOW_COPY_AND_ASSIGN(WmTestBase);
+};
+
+}  // namespace test
+}  // namespace wm
+
+#endif  // WM_TEST_WM_TEST_BASE_H_