Make Aura and compositor stacking methods more intuitive.

ui/aura_shell/shadow_controller.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_SHADOW_CONTROLLER_H_
 #define UI_AURA_SHELL_SHADOW_CONTROLLER_H_
 #pragma once
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/linked_ptr.h"
 #include "ui/aura/desktop_observer.h"
 #include "ui/aura/window_observer.h"
+#include "ui/aura_shell/aura_shell_export.h"
 
 namespace aura {
 class Window;
 }
 namespace gfx {
 class Rect;
 }
 
 namespace aura_shell {
 namespace internal {
 
 class Shadow;
 
 // ShadowController observes changes to windows and creates and updates drop
 // shadows as needed.
-class ShadowController : public aura::DesktopObserver,
-                         public aura::WindowObserver {
+class AURA_SHELL_EXPORT ShadowController : public aura::DesktopObserver,
+                                           public aura::WindowObserver {
 public:
   class TestApi {
    public:
     explicit TestApi(ShadowController* controller) : controller_(controller) {}
     ~TestApi() {}
 
     Shadow* GetShadowForWindow(aura::Window* window) {
       return controller_->GetShadowForWindow(window);
     }
 
@@ skipping 44 matching lines @@
 
   WindowShadowMap window_shadows_;
 
   DISALLOW_COPY_AND_ASSIGN(ShadowController);
 };
 
 }  // namepsace aura_shell
 }  // namepsace internal
 
 #endif  // UI_AURA_SHELL_SHADOW_CONTROLLER_H_