Makes ash/wm/common a library

ash/wm/common/default_window_resizer.h

Index: ash/wm/common/default_window_resizer.h
diff --git a/ash/wm/common/default_window_resizer.h b/ash/wm/common/default_window_resizer.h
index de34b064bed42d8feff268962116d24fba39de39..f19bb42dabe96901a346d638b54348afb193d9c0 100644
--- a/ash/wm/common/default_window_resizer.h
+++ b/ash/wm/common/default_window_resizer.h
@@ -17,7 +17,7 @@ class WmGlobals;
 // WindowResizer is used by ToplevelWindowEventFilter to handle dragging, moving
 // or resizing a window. All coordinates passed to this are in the parent
 // windows coordiantes.
-class ASH_EXPORT DefaultWindowResizer : public WindowResizer {
+class ASH_WM_COMMON_EXPORT DefaultWindowResizer : public WindowResizer {

[James Cook, 2016/05/03 18:43:10]

#include for ash_wm_common_export.h, and while you're there probably doesn't
need compiler_specific.h

[sky, 2016/05/03 19:10:06]

Done.

  public:
   ~DefaultWindowResizer() override;