Refactor more clipboard/bookmark logic.

ui/base/clipboard/clipboard_util_mac.h

 // Copyright 2016 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.
 
 #ifndef UI_BASE_CLIPBOARD_CLIPBOARD_UTIL_MAC_H_
 #define UI_BASE_CLIPBOARD_CLIPBOARD_UTIL_MAC_H_
 
 #import <AppKit/AppKit.h>
 
 #include "base/mac/scoped_nsobject.h"
@@ skipping 17 matching lines @@
 
 class UI_BASE_EXPORT ClipboardUtil {
  public:
   // Returns an NSPasteboardItem that represents the given |url|.
   // |url| must not be nil.
   // If |title| is nil, |url| is used in its place.
   static base::scoped_nsobject<NSPasteboardItem> PasteboardItemFromUrl(
       NSString* url,
       NSString* title);
 
+  // Returns an NSPasteboardItem that represents the given |urls| and |titles|.
+  static base::scoped_nsobject<NSPasteboardItem> PasteboardItemFromUrls(
+      NSArray* urls,
+      NSArray* titles);
+
   // Returns an NSPasteboardItem that represents the given string.
   // |string| must not be nil.
   static base::scoped_nsobject<NSPasteboardItem> PasteboardItemFromString(
       NSString* string);
 
   // Returns the title or url associated with a NSPasteboard which contains an
   // url NSPasteboardItem.
   static NSString* GetTitleFromPasteboardURL(NSPasteboard* pboard);
   static NSString* GetURLFromPasteboardURL(NSPasteboard* pboard);
+
+  // Returns the UTI of a pasteboard type.
+  static NSString* UTIForPasteboardType(NSString* type);
+  static NSString* UTIForWebURLsAndTitles();
+
+  // For each pasteboard type in |item| that is not in |pboard|, add the type
+  // and its associated data.
+  static void AddDataToPasteboard(NSPasteboard* pboard, NSPasteboardItem* item);
+
+  // Returns whether the operation was succesful. On success, the two arrays are
+  // guaranteed to be equal length, and are populated with strings of |urls| and
+  // |titles|.
+  static bool URLsAndTitlesFromPasteboard(NSPasteboard* pboard,
+                                          NSArray** urls,
+                                          NSArray** titles);
 };
 }
 
 #endif  // UI_BASE_CLIPBOARD_CLIPBOARD_UTIL_MAC_H_