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

ash/wm/workspace/workspace_manager.cc

Index: ash/wm/workspace/workspace_manager.cc
===================================================================
--- ash/wm/workspace/workspace_manager.cc	(revision 124386)
+++ ash/wm/workspace/workspace_manager.cc	(working copy)
@@ -88,7 +88,7 @@
 
 bool WorkspaceManager::IsManagedWindow(aura::Window* window) const {
   return window->type() == aura::client::WINDOW_TYPE_NORMAL &&
-         !window->transient_parent() && ash::GetTrackedByWorkspace(window);
+         !window->transient_parent();
 }
 
 void WorkspaceManager::AddWindow(aura::Window* window) {
@@ -186,9 +186,12 @@
 void WorkspaceManager::OnWindowPropertyChanged(aura::Window* window,
                                                const void* key,
                                                intptr_t old) {
-  if (key != aura::client::kShowStateKey || !IsManagedWindow(window))
+  if (!IsManagedWindow(window))
     return;
 
+  if (key != aura::client::kShowStateKey)
+    return;
+
   DCHECK(FindBy(window));
 
   Workspace::Type old_type = FindBy(window)->type();