Use Lucida Grande instead of Helvetica for "Show all downloads..." link in download shelf.

chrome/browser/cocoa/download_shelf_controller.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_shelf_controller.h"
 
 #include "app/l10n_util.h"
 #include "base/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/browser.h"
@@ skipping 53 matching lines @@
   return self;
 }
 
 - (void)awakeFromNib {
   // Initialize "Show all downloads" link.
 
   scoped_nsobject<NSMutableParagraphStyle> paragraphStyle(
       [[NSParagraphStyle defaultParagraphStyle] mutableCopy]);
   [paragraphStyle.get() setAlignment:NSRightTextAlignment];
 
+  NSFont* font = [NSFont systemFontOfSize:
+      [NSFont systemFontSizeForControlSize:NSRegularControlSize]];
   NSDictionary* linkAttributes = [NSDictionary dictionaryWithObjectsAndKeys:
       @"", NSLinkAttributeName,
       [NSCursor pointingHandCursor], NSCursorAttributeName,
       paragraphStyle.get(), NSParagraphStyleAttributeName,
+      font, NSFontAttributeName,
       nil];
   NSString* text =
       base::SysWideToNSString(l10n_util::GetString(IDS_SHOW_ALL_DOWNLOADS));
   scoped_nsobject<NSAttributedString> linkText([[NSAttributedString alloc]
       initWithString:text attributes:linkAttributes]);
 
   [[showAllDownloadsLink_ textStorage] setAttributedString:linkText.get()];
   [showAllDownloadsLink_ setDelegate:self];
 
   [self resizeDownloadLinkToFit];
@@ skipping 187 matching lines @@
     if (isTransferDone &&
         [itemController download]->safety_state() != DownloadItem::DANGEROUS) {
       [self remove:itemController];
     } else {
       ++i;
     }
   }
 }
 
 @end