Makes ash/wm/common a library

ash/wm/common/panels/panel_window_resizer.h

Index: ash/wm/common/panels/panel_window_resizer.h
diff --git a/ash/wm/common/panels/panel_window_resizer.h b/ash/wm/common/panels/panel_window_resizer.h
index 1afc69c1a2a254fed9f12620cbf369c82a9953c2..e1b9c8f28ede8f608e667a1b152f1cf7abf359d8 100644
--- a/ash/wm/common/panels/panel_window_resizer.h
+++ b/ash/wm/common/panels/panel_window_resizer.h
@@ -7,8 +7,8 @@
 
 #include <memory>
 
+#include "ash/wm/common/ash_wm_common_export.h"
 #include "ash/wm/common/window_resizer.h"
-#include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 
@@ -22,7 +22,7 @@ namespace ash {
 // PanelWindowResizer is used by ToplevelWindowEventFilter to handle dragging,
 // moving or resizing panel window. These can be attached and detached from the
 // launcher.
-class ASH_EXPORT PanelWindowResizer : public WindowResizer {
+class ASH_WM_COMMON_EXPORT PanelWindowResizer : public WindowResizer {
  public:
   ~PanelWindowResizer() override;