[mus+ash] Removes WmWindow from ash (app_list, frame, metrics, session, system, wallpaper)

ash/session/session_state_delegate.h

Index: ash/session/session_state_delegate.h
diff --git a/ash/session/session_state_delegate.h b/ash/session/session_state_delegate.h
index de5a9cb65e3c3d5e6d14a34349dc502ba14a6a4c..b9c4108e68fc0873871e7fe5ddde8587dd93855a 100644
--- a/ash/session/session_state_delegate.h
+++ b/ash/session/session_state_delegate.h
@@ -7,14 +7,16 @@
 
 #include "ash/ash_export.h"
 
+namespace aura {
+class Window;
+}
+
 namespace gfx {
 class ImageSkia;
 }
 
 namespace ash {
 
-class WmWindow;
-
 // Delegate for checking and modifying the session state.
 // DEPRECATED in favor of SessionController/SessionControllerClient for mash.
 // TODO(xiyuan): Remove this when SessionController etc are ready.
@@ -23,10 +25,11 @@ class ASH_EXPORT SessionStateDelegate {
   virtual ~SessionStateDelegate() {}
 
   // Whether or not the window's title should show the avatar.
-  virtual bool ShouldShowAvatar(WmWindow* window) const = 0;
+  virtual bool ShouldShowAvatar(aura::Window* window) const = 0;
 
   // Returns the avatar image for the specified window.
-  virtual gfx::ImageSkia GetAvatarImageForWindow(WmWindow* window) const = 0;
+  virtual gfx::ImageSkia GetAvatarImageForWindow(
+      aura::Window* window) const = 0;
 };
 
 }  // namespace ash