Fix using theme colors for the download shelf's close button.

chrome/browser/ui/cocoa/download/download_shelf_view_cocoa.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/download/download_shelf_view_cocoa.h"
 
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/themes/theme_service.h"
+#include "chrome/browser/ui/cocoa/hover_close_button.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_strip_controller.h"
 #import "chrome/browser/ui/cocoa/view_id_util.h"
 #import "ui/base/cocoa/nsview_additions.h"
 #include "ui/base/material_design/material_design_controller.h"
 
 @implementation DownloadShelfView
 
 // For programmatic instantiations in unit tests.
 - (id)initWithFrame:(NSRect)frameRect {
   if ((self = [super initWithFrame:frameRect])) {
@@ skipping 35 matching lines @@
       NSColor* highlightColor = themeProvider->GetNSColor(resourceName);
       if (highlightColor) {
         [highlightColor set];
         NSRectFillUsingOperation(NSIntersectionRect(borderRect, dirtyRect),
                                  NSCompositeSourceOver);
       }
     }
   }
 }
 
+- (void)viewWillDraw {
+  if (const ui::ThemeProvider* themeProvider = [[self window] themeProvider]) {
+    [closeButton_
+        setIconColor:themeProvider->GetColor(ThemeProperties::COLOR_TAB_TEXT)];
+  }
+  [super viewWillDraw];
+}
+
 // Mouse down events on the download shelf should not allow dragging the parent
 // window around.
 - (BOOL)mouseDownCanMoveWindow {
   return NO;
 }
 
 - (ViewID)viewID {
   return VIEW_ID_DOWNLOAD_SHELF;
 }
 
 - (BOOL)isOpaque {
   return YES;
 }
 
 @end