Open the WrenchMenu on mouseover when dragging a browser action

chrome/browser/ui/views/extensions/browser_action_overflow_menu_controller.cc

 // Copyright (c) 2012 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/extensions/browser_action_overflow_menu_controller.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
@@ skipping 163 matching lines @@
 
 void BrowserActionOverflowMenuController::DropMenuClosed(
     views::MenuItemView* menu) {
   delete this;
 }
 
 bool BrowserActionOverflowMenuController::GetDropFormats(
     views::MenuItemView* menu,
     int* formats,
     std::set<OSExchangeData::CustomFormat>* custom_formats) {
-  custom_formats->insert(BrowserActionDragData::GetBrowserActionCustomFormat());
-  return true;
+  return BrowserActionDragData::GetDropFormats(custom_formats);
 }
 
 bool BrowserActionOverflowMenuController::AreDropTypesRequired(
     views::MenuItemView* menu) {
-  return true;
+  return BrowserActionDragData::AreDropTypesRequired();
 }
 
 bool BrowserActionOverflowMenuController::CanDrop(
     views::MenuItemView* menu, const OSExchangeData& data) {
-  BrowserActionDragData drop_data;
-  if (!drop_data.Read(data))
-    return false;
-  return drop_data.IsFromProfile(owner_->profile());
+  return BrowserActionDragData::CanDrop(data, owner_->profile());
 }
 
 int BrowserActionOverflowMenuController::GetDropOperation(
     views::MenuItemView* item,
     const ui::DropTargetEvent& event,
     DropPosition* position) {
   // Don't allow dropping from the BrowserActionContainer into slot 0 of the
   // overflow menu since once the move has taken place the item you are dragging
   // falls right out of the menu again once the user releases the button
   // (because we don't shrink the BrowserActionContainer when you do this).
@@ skipping 54 matching lines @@
 
 BrowserActionView* BrowserActionOverflowMenuController::ViewForId(
     int id, size_t* index) {
   // The index of the view being dragged (GetCommand gives a 1-based index into
   // the overflow menu).
   size_t view_index = owner_->VisibleBrowserActions() + id - 1;
   if (index)
     *index = view_index;
   return owner_->GetBrowserActionViewAt(view_index);
 }