Remove clipboard argument from ScopedClipboardWriter constructor.

chrome/common/net/url_util.cc

 // 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.
 
 #include "chrome/common/net/url_util.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "net/base/escape.h"
 #include "net/base/net_util.h"
 #include "ui/base/clipboard/scoped_clipboard_writer.h"
 #include "url/gurl.h"
 #include "url/url_constants.h"
 
 namespace chrome_common_net {
 
-void WriteURLToClipboard(const GURL& url,
-                         const std::string& languages,
-                         ui::Clipboard *clipboard) {
-  if (url.is_empty() || !url.is_valid() || !clipboard)
+void WriteURLToClipboard(const GURL& url, const std::string& languages) {
+  if (url.is_empty() || !url.is_valid())
     return;
 
   // Unescaping path and query is not a good idea because other applications
   // may not encode non-ASCII characters in UTF-8.  See crbug.com/2820.
   base::string16 text = url.SchemeIs(url::kMailToScheme) ?
       base::ASCIIToUTF16(url.path()) :
       net::FormatUrl(url, languages, net::kFormatUrlOmitNothing,
                      net::UnescapeRule::NONE, NULL, NULL, NULL);
 
-  ui::ScopedClipboardWriter scw(clipboard, ui::CLIPBOARD_TYPE_COPY_PASTE);
+  ui::ScopedClipboardWriter scw(ui::CLIPBOARD_TYPE_COPY_PASTE);
   scw.WriteURL(text);
 }
 
 }  // namespace chrome_common_net