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

ash/test/test_session_state_delegate.cc

Index: ash/test/test_session_state_delegate.cc
diff --git a/ash/test/test_session_state_delegate.cc b/ash/test/test_session_state_delegate.cc
index f59eb5124571088a9c54f64cb8220563d996f469..ed99b7112776857e4524f32042a374823fc3e6ae 100644
--- a/ash/test/test_session_state_delegate.cc
+++ b/ash/test/test_session_state_delegate.cc
@@ -14,12 +14,12 @@ void TestSessionStateDelegate::SetUserImage(const gfx::ImageSkia& user_image) {
   user_image_ = user_image;
 }
 
-bool TestSessionStateDelegate::ShouldShowAvatar(WmWindow* window) const {
+bool TestSessionStateDelegate::ShouldShowAvatar(aura::Window* window) const {
   return !user_image_.isNull();
 }
 
 gfx::ImageSkia TestSessionStateDelegate::GetAvatarImageForWindow(
-    WmWindow* window) const {
+    aura::Window* window) const {
   return gfx::ImageSkia();
 }