aura: Make sure the tests we want to compile get built.

ui/aura_shell/default_container_layout_manager.h

 // 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.
 
 #ifndef UI_AURA_SHELL_DEFAULT_CONTAINER_LAYOUT_MANAGER_H_
 #define UI_AURA_SHELL_DEFAULT_CONTAINER_LAYOUT_MANAGER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ui/aura/layout_manager.h"
+#include "ui/aura_shell/aura_shell_export.h"
 
 namespace aura {
 class Window;
 }
 
 namespace gfx {
 class Rect;
 }
 
 namespace aura_shell {
 namespace internal {
 
 // LayoutManager for the default window container.
-class DefaultContainerLayoutManager : public aura::LayoutManager {
+class AURA_SHELL_EXPORT DefaultContainerLayoutManager
+    : public aura::LayoutManager {
  public:
   explicit DefaultContainerLayoutManager(aura::Window* owner);
   virtual ~DefaultContainerLayoutManager();
 
   // Overridden from aura::LayoutManager:
   virtual void OnWindowResized() OVERRIDE;
   virtual void OnWindowAdded(aura::Window* child) OVERRIDE;
   virtual void OnWillRemoveWindow(aura::Window* child) OVERRIDE;
   virtual void OnChildWindowVisibilityChanged(aura::Window* child,
                                               bool visibile) OVERRIDE;
   virtual void CalculateBoundsForChild(aura::Window* child,
                                        gfx::Rect* requested_bounds) OVERRIDE;
 
  private:
   aura::Window* owner_;
 
   DISALLOW_COPY_AND_ASSIGN(DefaultContainerLayoutManager);
 };
 
 }  // namespace internal
 }  // namespace aura_shell
 
 #endif  // UI_AURA_SHELL_DEFAULT_CONTAINER_LAYOUT_MANAGER_H_