Remove unused images; change confirm (spelling) bubble close button.

chrome/browser/ui/views/confirm_bubble_views.cc

Index: chrome/browser/ui/views/confirm_bubble_views.cc
diff --git a/chrome/browser/ui/views/confirm_bubble_views.cc b/chrome/browser/ui/views/confirm_bubble_views.cc
index 649e24a5311b74f028e7cea9d8ed063f9b6615c1..f51a2d916b00a337a5d8980e3ae4e8afdd805d23 100644
--- a/chrome/browser/ui/views/confirm_bubble_views.cc
+++ b/chrome/browser/ui/views/confirm_bubble_views.cc
@@ -85,7 +85,7 @@ void ConfirmBubbleViews::Init() {
 
   views::ImageButton* close_button = new views::ImageButton(this);
   const gfx::ImageSkia* close_image =
-      bundle.GetImageNamed(IDR_INFO_BUBBLE_CLOSE).ToImageSkia();
+      bundle.GetImageNamed(IDR_WEB_UI_CLOSE).ToImageSkia();
   close_button->SetImage(views::CustomButton::STATE_NORMAL, close_image);
   close_button->set_tag(ConfirmBubbleModel::BUTTON_NONE);
   layout->AddView(close_button);