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

chrome/browser/ui/views/tabs/tab_drag_controller2.cc

Index: chrome/browser/ui/views/tabs/tab_drag_controller2.cc
===================================================================
--- chrome/browser/ui/views/tabs/tab_drag_controller2.cc	(revision 124386)
+++ chrome/browser/ui/views/tabs/tab_drag_controller2.cc	(working copy)
@@ -40,10 +40,6 @@
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/widget.h"
 
-#if defined(USE_AURA)
-#include "ash/wm/property_util.h"
-#endif
-
 using content::UserMetricsAction;
 using content::WebContents;
 
@@ -326,11 +322,8 @@
   if (destroyed_)
     *destroyed_ = true;
 
-  if (move_loop_browser_view_) {
+  if (move_loop_browser_view_)
     move_loop_browser_view_->set_move_observer(NULL);
-    SetTrackedByWorkspace(
-        move_loop_browser_view_->GetWidget()->GetNativeView(), true);
-  }
 
   if (source_tabstrip_)
     GetModel(source_tabstrip_)->RemoveObserver(this);
@@ -1103,11 +1096,6 @@
   bring_to_front_timer_.Stop();
 
   if (is_dragging_window_) {
-    if (type == NORMAL || (type == TAB_DESTROYED && drag_data_.size() > 1)) {
-      SetTrackedByWorkspace(
-          GetAttachedBrowserView()->GetWidget()->GetNativeView(), true);
-    }
-
     // End the nested drag loop.
     GetAttachedBrowserView()->GetWidget()->EndMoveLoop();
     waiting_for_run_loop_to_exit_ = true;
@@ -1403,14 +1391,6 @@
       break; // Nothing to do for DETACH_ABOVE_OR_BELOW.
   }
 
-  SetTrackedByWorkspace(browser->window()->GetNativeHandle(), false);
   browser->window()->SetBounds(new_bounds);
   return browser;
 }
-
-void TabDragController2::SetTrackedByWorkspace(gfx::NativeWindow window,
-                                               bool value) {
-#if defined(USE_AURA)
-  ash::SetTrackedByWorkspace(window, value);
-#endif
-}