Get chrome to link with USE_AURA

chrome/browser/ui/views/native_constrained_window_aura.cc

+// 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/ui/views/constrained_window_views.h"
+
+#include "views/widget/native_widget_aura.h"
+
+class NativeConstrainedWindowAura : public NativeConstrainedWindow,
+                                   public views::NativeWidgetAura {
+ public:
+  explicit NativeConstrainedWindowAura(NativeConstrainedWindowDelegate* delegate)
+      : views::NativeWidgetAura(delegate->AsNativeWidgetDelegate()),
+        delegate_(delegate) {
+  }
+
+  virtual ~NativeConstrainedWindowAura() {
+  }
+
+ private:
+  // Overridden from NativeConstrainedWindow:
+  virtual views::NativeWidget* AsNativeWidget() OVERRIDE {
+    return this;
+  }
+
+  // Overridden from views::NativeWidgetAura:
+
+  NativeConstrainedWindowDelegate* delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(NativeConstrainedWindowAura);
+};
+
+////////////////////////////////////////////////////////////////////////////////
+// NativeConstrainedWindow, public:
+
+// static
+NativeConstrainedWindow* NativeConstrainedWindow::CreateNativeConstrainedWindow(
+    NativeConstrainedWindowDelegate* delegate) {
+  return new NativeConstrainedWindowAura(delegate);
+}