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

ash/wm/property_util.cc

Index: ash/wm/property_util.cc
===================================================================
--- ash/wm/property_util.cc	(revision 124386)
+++ ash/wm/property_util.cc	(working copy)
@@ -7,20 +7,11 @@
 #include "ash/wm/window_util.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
-#include "ui/aura/window_property.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/gfx/rect.h"
 
-DECLARE_WINDOW_PROPERTY_TYPE(bool)
-
 namespace ash {
 
-namespace {
-
-const aura::WindowProperty<bool> kWindowTrackedByWorkspaceSplitProp = {true};
-
-}  // namespace
-
 void SetRestoreBounds(aura::Window* window, const gfx::Rect& bounds) {
   scoped_ptr<const gfx::Rect> old_bounds(GetRestoreBounds(window));
   window->SetProperty(aura::client::kRestoreBoundsKey, new gfx::Rect(bounds));
@@ -46,15 +37,4 @@
                                                     : ui::SHOW_STATE_MAXIMIZED);
 }
 
-const aura::WindowProperty<bool>* const
-    kWindowTrackedByWorkspaceSplitPropKey = &kWindowTrackedByWorkspaceSplitProp;
-
-void SetTrackedByWorkspace(aura::Window* window, bool value) {
-  window->SetProperty(kWindowTrackedByWorkspaceSplitPropKey, value);
 }
-
-bool GetTrackedByWorkspace(aura::Window* window) {
-  return window->GetProperty(kWindowTrackedByWorkspaceSplitPropKey);
-}
-
-}