Add window manager component.

wm/host/foreign_test_window_host.cc

Index: wm/host/foreign_test_window_host.cc
diff --git a/wm/host/foreign_test_window_host.cc b/wm/host/foreign_test_window_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d3a0273387954ccb6188a2ad31c224bcbc29a05d
--- /dev/null
+++ b/wm/host/foreign_test_window_host.cc
@@ -0,0 +1,38 @@
+// 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.
+
+#include "wm/host/foreign_test_window_host.h"
+
+#include "base/compiler_specific.h"
+
+namespace wm {
+
+namespace {
+
+class ForeignTestWindowHostImpl : public ForeignTestWindowHost {
+ public:
+  ForeignTestWindowHostImpl() {}
+
+  // Overridden from wm::ForeignTestWindowHost:
+  virtual void Initialize() OVERRIDE {}
+  virtual void Delete() OVERRIDE { delete this; }
+  virtual void Show() OVERRIDE {}
+  virtual void Hide() OVERRIDE {}
+  virtual void Destroy() OVERRIDE {}
+  virtual void Sync() OVERRIDE {}
+};
+
+}  // namespace
+
+// static
+ForeignTestWindowHost* ForeignTestWindowHost::Create(
+    aura::RootWindow* root_window) {
+  return new ForeignTestWindowHostImpl();
+}
+
+// static
+void ForeignTestWindowHost::RunAllPendingInMessageLoop() {
+}
+
+}  // namespace wm