Get maximum age of clipboard from clipboard_recent_contents.cc in iOS impl

components/open_from_clipboard/clipboard_recent_content_generic.cc

 // Copyright 2017 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 "components/open_from_clipboard/clipboard_recent_content_generic.h"
 
 #include "base/strings/string_util.h"
 #include "ui/base/clipboard/clipboard.h"
 
 ClipboardRecentContentGeneric::ClipboardRecentContentGeneric() {}
 
 bool ClipboardRecentContentGeneric::GetRecentURLFromClipboard(GURL* url) {
   ui::Clipboard* clipboard = ui::Clipboard::GetForCurrentThread();
   base::Time last_modified_time = clipboard->GetClipboardLastModifiedTime();
   if (!last_modified_time_to_suppress_.is_null() &&
       (last_modified_time == last_modified_time_to_suppress_))
     return false;
 
-  if (GetClipboardContentAge() > kMaximumAgeOfClipboard)
+  if (GetClipboardContentAge() > MaximumAgeOfClipboard())
     return false;
 
   // Get and clean up the clipboard before processing.
   std::string gurl_string;
   clipboard->ReadAsciiText(ui::CLIPBOARD_TYPE_COPY_PASTE, &gurl_string);
   base::TrimWhitespaceASCII(gurl_string, base::TrimPositions::TRIM_ALL,
                             &gurl_string);
 
   // Interpret the clipboard as a URL if possible.
   DCHECK(url);
@@ skipping 33 matching lines @@
 }
 
 void ClipboardRecentContentGeneric::SuppressClipboardContent() {
   // User cleared the user data.  The pasteboard entry must be removed from the
   // omnibox list.  Do this by suppressing all clipboard content with the
   // current clipboard content's time.  Then we only suggest the clipboard
   // content later if the time changed.
   last_modified_time_to_suppress_ =
       ui::Clipboard::GetForCurrentThread()->GetClipboardLastModifiedTime();
 }