Revert 124385 - Allows tab dragging when maximized on aura. To fix it I made it so

ash/wm/window_resizer.cc

Index: ash/wm/window_resizer.cc
===================================================================
--- ash/wm/window_resizer.cc	(revision 124386)
+++ ash/wm/window_resizer.cc	(working copy)
@@ -106,6 +106,13 @@
   return result;
 }
 
+bool IsNormalWindow(aura::Window* window) {
+  return window->GetProperty(aura::client::kShowStateKey) ==
+          ui::SHOW_STATE_NORMAL ||
+      window->GetProperty(aura::client::kShowStateKey) ==
+          ui::SHOW_STATE_DEFAULT;
+}
+
 }  // namespace
 
 // static
@@ -135,7 +142,8 @@
           GetPositionChangeDirectionForWindowComponent(window_component_)),
       size_change_direction_(
           GetSizeChangeDirectionForWindowComponent(window_component_)),
-      is_resizable_(bounds_change_ != kBoundsChangeDirection_None),
+      is_resizable_(bounds_change_ != kBoundsChangeDirection_None &&
+                    IsNormalWindow(window)),
       grid_size_(grid_size),
       did_move_or_resize_(false),
       root_filter_(NULL) {