Add GetCurrentURL to ClipboardRecentContentIOS

components/open_from_clipboard/clipboard_recent_content_ios.mm

 // Copyright 2015 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 "components/open_from_clipboard/clipboard_recent_content_ios.h"
 
 #import <CommonCrypto/CommonDigest.h>
 #include <stddef.h>
 #include <stdint.h>
 #import <UIKit/UIKit.h>
@@ skipping 188 matching lines @@
   NSString* pasteboard_string = [[UIPasteboard generalPasteboard] string];
   if (!pasteboard_string) {
     pasteboard_string = @"";
   }
   NSData* md5 = WeakMD5FromNSString(pasteboard_string);
   BOOL md5_changed = ![md5 isEqualToData:last_pasteboard_entry_md5_];
 
   return md5_changed;
 }
 
+bool ClipboardRecentContentIOS::GetCurrentURLFromClipboard(GURL* url) {
+  if (HasPasteboardChanged(base::SysInfo::Uptime())) {
+    PasteboardChanged();
+  }
+  return GetRecentURLFromClipboard(url);
+}
+
 void ClipboardRecentContentIOS::Init(base::TimeDelta uptime) {
   last_pasteboard_change_count_ = NSIntegerMax;
   url_from_pasteboard_cache_ = URLFromPasteboard();
   LoadFromUserDefaults();
 
   if (HasPasteboardChanged(uptime))
     PasteboardChanged();
 
   // Makes sure |last_pasteboard_change_count_| was properly initialized.
   DCHECK_NE(last_pasteboard_change_count_, NSIntegerMax);
@@ skipping 53 matching lines @@
 void ClipboardRecentContentIOS::SaveToUserDefaults() {
   [shared_user_defaults_ setInteger:last_pasteboard_change_count_
                              forKey:kPasteboardChangeCountKey];
   [shared_user_defaults_ setObject:last_pasteboard_change_date_
                             forKey:kPasteboardChangeDateKey];
   [shared_user_defaults_ setObject:last_pasteboard_entry_md5_
                             forKey:kPasteboardEntryMD5Key];
   [shared_user_defaults_ setObject:last_displayed_pasteboard_entry_
                             forKey:kLastDisplayedPasteboardEntryKey];
 }