Updated TODO(shreyasv)

ios/net/cookies/cookie_store_ios.mm

 // Copyright 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.
 
 #include "ios/net/cookies/cookie_store_ios.h"
 
 #import <Foundation/Foundation.h>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ skipping 113 matching lines @@
   if (!base::ios::IsRunningOnIOS8OrLater()) {
     return;
   }
   base::FilePath path = GetBinaryCookiesFilePath();
   if (base::PathExists(path)) {
     bool success = base::DeleteFile(path, false);
     if (!success) {
       DLOG(WARNING) << "Failed to remove binarycookies file.";
     }
   }
-  // TODO(shreyasv): Should .binarycookies be parsed to find out how many
-  // more cookies are deleted? Investigate further if the accuracy of this
-  // actually matters to the callback.
 }
 
 // Builds a NSHTTPCookie from a header cookie line ("Set-Cookie: xxx") and a
 // URL.
 NSHTTPCookie* GetNSHTTPCookieFromCookieLine(const std::string& cookie_line,
                                             const GURL& url,
                                             base::Time server_time) {
   NSURL* nsurl = net::NSURLWithGURL(url);
   NSString* ns_cookie_line = base::SysUTF8ToNSString(cookie_line);
   if (!ns_cookie_line) {
@@ skipping 838 matching lines @@
   DCHECK(thread_checker_.CalledOnValidThread());
   return base::Bind(&CookieStoreIOS::UpdateCachesAfterDelete, this, callback);
 }
 
 base::Closure CookieStoreIOS::WrapClosure(const base::Closure& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   return base::Bind(&CookieStoreIOS::UpdateCachesAfterClosure, this, callback);
 }
 
 }  // namespace net