Makes PhantonWindowController use ash/wm/common types

ash/wm/workspace/workspace_window_resizer.cc

Index: ash/wm/workspace/workspace_window_resizer.cc
diff --git a/ash/wm/workspace/workspace_window_resizer.cc b/ash/wm/workspace/workspace_window_resizer.cc
index b223e234fe20ecec39704dbf0832725202bb8cba..49a1a792cf34c018488d4c370bcbc9baf37a479c 100644
--- a/ash/wm/workspace/workspace_window_resizer.cc
+++ b/ash/wm/workspace/workspace_window_resizer.cc
@@ -952,8 +952,8 @@ void WorkspaceWindowResizer::UpdateSnapPhantomWindow(const gfx::Point& location,
   }
 
   if (!snap_phantom_window_controller_) {
-    snap_phantom_window_controller_.reset(new PhantomWindowController(
-        wm::WmWindowAura::GetAuraWindow(GetTarget())));
+    snap_phantom_window_controller_.reset(
+        new PhantomWindowController(GetTarget()));
   }
   snap_phantom_window_controller_->Show(
       GetTarget()->GetParent()->ConvertRectToScreen(phantom_bounds));