Update the bookmark tooltip text only when necessary

chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.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_delegate.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/bookmarks/managed_bookmark_service_factory.h"
@@ skipping 10 matching lines @@
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/page_navigator.h"
 #include "content/public/browser/user_metrics.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "ui/views/controls/button/menu_button.h"
 #include "ui/views/controls/menu/menu_item_view.h"
 #include "ui/views/controls/menu/submenu_view.h"
+#include "ui/views/widget/tooltip_manager.h"
 #include "ui/views/widget/widget.h"
 
 using base::UserMetricsAction;
 using bookmarks::BookmarkModel;
 using bookmarks::BookmarkNode;
 using bookmarks::BookmarkNodeData;
 using content::PageNavigator;
 using views::MenuItemView;
 
 namespace {
@@ skipping 97 matching lines @@
     const gfx::Point& screen_loc) const {
   MenuIDToNodeMap::const_iterator i = menu_id_to_node_map_.find(id);
   // When removing bookmarks it may be possible to end up here without a node.
   if (i == menu_id_to_node_map_.end()) {
     DCHECK(is_mutating_model_);
     return base::string16();
   }
 
   const BookmarkNode* node = i->second;
   if (node->is_url()) {
+    const views::TooltipManager* tooltip_manager = parent_->GetTooltipManager();
     return BookmarkBarView::CreateToolTipForURLAndTitle(
-        parent_, screen_loc, node->url(), node->GetTitle());
+        tooltip_manager->GetMaxWidth(screen_loc),
+        tooltip_manager->GetFontList(), node->url(), node->GetTitle());
   }
   return base::string16();
 }
 
 bool BookmarkMenuDelegate::IsTriggerableEvent(views::MenuItemView* menu,
                                               const ui::Event& e) {
   return e.type() == ui::ET_GESTURE_TAP ||
          e.type() == ui::ET_GESTURE_TAP_DOWN ||
          event_utils::IsPossibleDispositionEvent(e);
 }
@@ skipping 384 matching lines @@
     }
     AddMenuToMaps(child_menu_item, node);
   }
 }
 
 void BookmarkMenuDelegate::AddMenuToMaps(MenuItemView* menu,
                                          const BookmarkNode* node) {
   menu_id_to_node_map_[menu->GetCommand()] = node;
   node_to_menu_map_[node] = menu;
 }