Redraw download item when its state changed

chrome/browser/cocoa/download_item_cell.mm

 // Copyright (c) 2009 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/cocoa/download_item_cell.h"
 
 #include "app/gfx/text_elider.h"
 #include "app/l10n_util.h"
 #include "base/mac_util.h"
 #include "base/sys_string_conversions.h"
@@ skipping 114 matching lines @@
   if (statusText.empty()) {
     // Remove the status text label.
     [self hideSecondaryTitle];
     isStatusTextVisible_ = NO;
   } else {
     // Set status text.
     NSString* statusString = base::SysWideToNSString(statusText);
     [self setSecondaryTitle:statusString];
     isStatusTextVisible_ = YES;
   }
+
+  [[self controlView] setNeedsDisplay:YES];
 }
 
 - (void)updateTrackingAreas:(id)sender {
   if (trackingAreaButton_) {
     [[self controlView] removeTrackingArea:trackingAreaButton_.get()];
       trackingAreaButton_.reset(nil);
   }
   if (trackingAreaDropdown_) {
     [[self controlView] removeTrackingArea:trackingAreaDropdown_.get()];
       trackingAreaDropdown_.reset(nil);
@@ skipping 277 matching lines @@
   }
   return self;
 }
 
 - (void)setCurrentProgress:(NSAnimationProgress)progress {
   [super setCurrentProgress:progress];
   [cell_ animationProgressed:progress];
 }
 
 @end