Revert "Currently, base/timer.cc calls PostTask with FROM_HERE as the Location,

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

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/tabs/dragged_tab_controller.h"
 
 #include <math.h>
 #include <set>
 
 #include "base/callback.h"
@@ skipping 649 matching lines @@
 #endif
   if (target_tabstrip != attached_tabstrip_) {
     // Make sure we're fully detached from whatever TabStrip we're attached to
     // (if any).
     if (attached_tabstrip_)
       Detach();
     if (target_tabstrip)
       Attach(target_tabstrip, screen_point);
   }
   if (!target_tabstrip) {
-    bring_to_front_timer_.Start(FROM_HERE,
+    bring_to_front_timer_.Start(
         base::TimeDelta::FromMilliseconds(kBringToFrontDelay), this,
         &DraggedTabController::BringWindowUnderMouseToFront);
   }
 
   UpdateDockInfo(screen_point);
 
   if (attached_tabstrip_)
     MoveAttached(screen_point);
   else
     MoveDetached(screen_point);
@@ skipping 749 matching lines @@
 
 bool DraggedTabController::AreTabsConsecutive() {
   for (size_t i = 1; i < drag_data_.size(); ++i) {
     if (drag_data_[i - 1].source_model_index + 1 !=
         drag_data_[i].source_model_index) {
       return false;
     }
   }
   return true;
 }