Makes bookmark menu lazily create menus and removes limits

chrome/browser/ui/views/bookmarks/bookmark_menu_controller_views.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/bookmarks/bookmark_menu_controller_views.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_stats.h"
@@ skipping 13 matching lines @@
 using bookmarks::BookmarkNode;
 using content::PageNavigator;
 using views::MenuItemView;
 
 BookmarkMenuController::BookmarkMenuController(Browser* browser,
                                                PageNavigator* page_navigator,
                                                views::Widget* parent,
                                                const BookmarkNode* node,
                                                int start_child_index,
                                                bool for_drop)
-    : menu_delegate_(
-        new BookmarkMenuDelegate(browser, page_navigator, parent, 1,
-                                 kint32max)),
+    : menu_delegate_(new BookmarkMenuDelegate(browser, page_navigator, parent)),
       node_(node),
       observer_(NULL),
       for_drop_(for_drop),
       bookmark_bar_(NULL) {
   menu_delegate_->Init(this, NULL, node, start_child_index,
                        BookmarkMenuDelegate::HIDE_PERMANENT_FOLDERS,
                        BOOKMARK_LAUNCH_LOCATION_BAR_SUBFOLDER);
   menu_runner_.reset(new views::MenuRunner(
       menu_delegate_->menu(), for_drop ? views::MenuRunner::FOR_DROP : 0));
 }
@@ skipping 132 matching lines @@
   *button = bookmark_bar_->GetMenuButtonForNode(node);
   bookmark_bar_->GetAnchorPositionForButton(*button, anchor);
   *has_mnemonics = false;
   return this->menu();
 }
 
 int BookmarkMenuController::GetMaxWidthForMenu(MenuItemView* view) {
   return menu_delegate_->GetMaxWidthForMenu(view);
 }
 
+void BookmarkMenuController::WillShowMenu(MenuItemView* menu) {
+  menu_delegate_->WillShowMenu(menu);
+}
+
 void BookmarkMenuController::BookmarkModelChanged() {
   if (!menu_delegate_->is_mutating_model())
     menu()->Cancel();
 }
 
 BookmarkMenuController::~BookmarkMenuController() {
   menu_delegate_->GetBookmarkModel()->RemoveObserver(this);
   if (observer_)
     observer_->BookmarkMenuControllerDeleted(this);
 }