mac: Minor bug fix: 2.5 cannot be stored in an int.

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/sys_string_conversions.h"
 #include "chrome/browser/download/download_item_model.h"
 #include "chrome/browser/download/download_util.h"
 #import "chrome/browser/themes/theme_service.h"
@@ skipping 54 matching lines @@
 const CGFloat kDropdownArrowHeight = 3;
 
 // Vertical displacement of dropdown area, relative to the "centered" position.
 const CGFloat kDropdownAreaY = -2;
 
 // Duration of the two-lines-to-one-line animation, in seconds.
 NSTimeInterval kShowStatusDuration = 0.3;
 NSTimeInterval kHideStatusDuration = 0.3;
 
 // Duration of the 'download complete' animation, in seconds.
-const int kCompleteAnimationDuration = 2.5;
+const CGFloat kCompleteAnimationDuration = 2.5;
 
 // Duration of the 'download interrupted' animation, in seconds.
-const int kInterruptedAnimationDuration = 2.5;
+const CGFloat kInterruptedAnimationDuration = 2.5;
 
 using content::DownloadItem;
 
 // This is a helper class to animate the fading out of the status text.
 @interface DownloadItemCellAnimation : NSAnimation {
   DownloadItemCell* cell_;
 }
 - (id)initWithDownloadItemCell:(DownloadItemCell*)cell
                       duration:(NSTimeInterval)duration
                 animationCurve:(NSAnimationCurve)animationCurve;
@@ skipping 597 matching lines @@
   }
   return self;
 }
 
 - (void)setCurrentProgress:(NSAnimationProgress)progress {
   [super setCurrentProgress:progress];
   [cell_ animation:self progressed:progress];
 }
 
 @end