Replace IDR_WEB_UI_CLOSE* with IDR_CLOSE_DIALOG*, cleanup, etc.

chrome/browser/ui/cocoa/hover_close_button.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/hover_close_button.h"
 
 #include "base/memory/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #import "chrome/browser/ui/cocoa/animation_utils.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
+#include "grit/ui_resources.h"
 #import "third_party/GTM/AppKit/GTMKeyValueAnimation.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace  {
 const CGFloat kFramesPerSecond = 16; // Determined experimentally to look good.
 const CGFloat kCloseAnimationDuration = 0.1;
 
 // Strings that are used for all close buttons. Set up in +initialize.
 NSString* gTooltip = nil;
@@ skipping 190 matching lines @@
   }
 
   return nil;  // Do not show the tooltip.
 }
 
 @end
 
 @implementation WebUIHoverCloseButton
 
 - (NSImage*)imageForHoverState:(HoverState)hoverState {
-  int imageID = IDR_WEB_UI_CLOSE;
+  int imageID = IDR_CLOSE_DIALOG;
   switch (hoverState) {
     case kHoverStateNone:
-      imageID = IDR_WEB_UI_CLOSE;
+      imageID = IDR_CLOSE_DIALOG;
       break;
     case kHoverStateMouseOver:
-      imageID = IDR_WEB_UI_CLOSE_HOVER;
+      imageID = IDR_CLOSE_DIALOG_H;
       break;
     case kHoverStateMouseDown:
-      imageID = IDR_WEB_UI_CLOSE_PRESSED;
+      imageID = IDR_CLOSE_DIALOG_P;
       break;
   }
   ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
   return bundle.GetNativeImageNamed(imageID).ToNSImage();
 }
 
 @end