Internationalize the prefix of unconfirmed download file.

chrome/browser/ui/cocoa/download/download_item_mac.mm

 // 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/ui/cocoa/download/download_item_mac.h"
 
 #include "base/callback.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/download/download_item.h"
 #include "chrome/browser/download/download_item_model.h"
@@ skipping 17 matching lines @@
 void DownloadItemMac::OnDownloadUpdated(DownloadItem* download) {
   DCHECK_EQ(download, download_model_->download());
 
   if ([item_controller_ isDangerousMode] &&
       download->safety_state() == DownloadItem::DANGEROUS_BUT_VALIDATED) {
     // We have been approved.
     [item_controller_ clearDangerousMode];
   }
 
   if (download->GetUserVerifiedFilePath() != lastFilePath_) {
-    // Turns out the file path is "unconfirmed %d.crdownload" for dangerous
+    // Turns out the file path is "Unconfirmed %d.crdownload" for dangerous
     // downloads. When the download is confirmed, the file is renamed on
     // another thread, so reload the icon if the download filename changes.
     LoadIcon();
     lastFilePath_ = download->GetUserVerifiedFilePath();
 
     [item_controller_ updateToolTip];
   }
 
   switch (download->state()) {
     case DownloadItem::REMOVING:
@@ skipping 43 matching lines @@
 }
 
 void DownloadItemMac::OnExtractIconComplete(IconManager::Handle handle,
                                             SkBitmap* icon_bitmap) {
   if (!icon_bitmap)
     return;
 
   NSImage* icon = gfx::SkBitmapToNSImage(*icon_bitmap);
   [item_controller_ setIcon:icon];
 }