fix a couple of close buttons

chrome/browser/gtk/extension_installed_bubble_gtk.cc

 // Copyright (c) 2010 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/gtk/extension_installed_bubble_gtk.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/i18n/rtl.h"
 #include "base/message_loop.h"
@@ skipping 224 matching lines @@
   gtk_label_set_line_wrap(GTK_LABEL(manage_label), TRUE);
   gtk_widget_set_size_request(manage_label, kTextColumnWidth, -1);
   gtk_box_pack_start(GTK_BOX(text_column), manage_label, FALSE, FALSE, 0);
 
   // Create and pack the close button.
   GtkWidget* close_column = gtk_vbox_new(FALSE, 0);
   gtk_box_pack_start(GTK_BOX(bubble_content), close_column, FALSE, FALSE, 0);
   close_button_.reset(CustomDrawButton::CloseButton(theme_provider));
   g_signal_connect(close_button_->widget(), "clicked",
                    G_CALLBACK(OnButtonClick), this);
-  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
-  close_button_->SetBackground(
-      theme_provider->GetColor(BrowserThemeProvider::COLOR_TAB_TEXT),
-      rb.GetBitmapNamed(IDR_CLOSE_BAR),
-      rb.GetBitmapNamed(IDR_CLOSE_BAR_MASK));
   gtk_box_pack_start(GTK_BOX(close_column), close_button_->widget(),
       FALSE, FALSE, 0);
 
   InfoBubbleGtk::ArrowLocationGtk arrow_location =
       !base::i18n::IsRTL() ?
       InfoBubbleGtk::ARROW_LOCATION_TOP_RIGHT :
       InfoBubbleGtk::ARROW_LOCATION_TOP_LEFT;
 
   gfx::Rect bounds = gtk_util::WidgetBounds(reference_widget);
   if (type_ == OMNIBOX_KEYWORD) {
@@ skipping 46 matching lines @@
   // the window before we call Release() because close_button_ depends
   // on all references being cleared before it is destroyed.
   MessageLoopForUI::current()->PostTask(FROM_HERE, NewRunnableMethod(this,
       &ExtensionInstalledBubbleGtk::Close));
 }
 
 void ExtensionInstalledBubbleGtk::Close() {
   Release();  // Balanced in ctor.
   info_bubble_ = NULL;
 }