Clean up a few more unused globals.

chrome/browser/ui/cocoa/download/download_item_cell.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_item_cell.h"
 
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/download/download_shelf.h"
 #import "chrome/browser/themes/theme_properties.h"
@@ skipping 33 matching lines @@
 // is visible.
 const CGFloat kPrimaryTextPosTop = 3;
 
 // y coordinate of download name string, in view coords, when status message
 // is not visible.
 const CGFloat kPrimaryTextOnlyPosTop = 10;
 
 // y coordinate of status message, in view coords.
 const CGFloat kSecondaryTextPosTop = 18;
 
-// Grey value of status text.
-const CGFloat kSecondaryTextColor = 0.5;
-
 // Width of dropdown area on the right (includes 1px for the border on each
 // side).
 const CGFloat kDropdownAreaWidth = 14;
 
 // Width of dropdown arrow.
 const CGFloat kDropdownArrowWidth = 5;
 
 // Height of dropdown arrow.
 const CGFloat kDropdownArrowHeight = 3;
 
@@ skipping 703 matching lines @@
 
 - (void)invalidate {
   [timer_ invalidate];
 }
 
 - (void)onTimer:(NSTimer*)timer {
   [cell_ updateIndeterminateDownload];
 }
 
 @end