Refactor more clipboard/bookmark logic.

chrome/browser/ui/cocoa/url_drop_target.mm

Index: chrome/browser/ui/cocoa/url_drop_target.mm
diff --git a/chrome/browser/ui/cocoa/url_drop_target.mm b/chrome/browser/ui/cocoa/url_drop_target.mm
index 55d5e2bd10b3f81b11b81624f12108e453cb8061..00b11c1c9d60a84df24213e6891ea63880c0eacd 100644
--- a/chrome/browser/ui/cocoa/url_drop_target.mm
+++ b/chrome/browser/ui/cocoa/url_drop_target.mm
@@ -6,17 +6,9 @@
 
 #include "chrome/browser/ui/cocoa/drag_util.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
+#include "ui/base/clipboard/clipboard_util_mac.h"
 #include "url/gurl.h"
 
-namespace {
-
-// Mac WebKit uses this type, declared in
-// WebKit/mac/History/WebURLsWithTitles.h.
-NSString* const kCrWebURLsWithTitlesPboardType =
-    @"WebURLsWithTitlesPboardType";
-
-}  // namespace
-
 @interface URLDropTargetHandler(Private)
 
 // Gets the appropriate drag operation given the |NSDraggingInfo|.
@@ -30,11 +22,10 @@ NSString* const kCrWebURLsWithTitlesPboardType =
 @implementation URLDropTargetHandler
 
 + (NSArray*)handledDragTypes {
-  return [NSArray arrayWithObjects:kCrWebURLsWithTitlesPboardType,
-                                   NSURLPboardType,
-                                   NSStringPboardType,
-                                   NSFilenamesPboardType,
-                                   nil];
+  return @[
+    ui::ClipboardUtil::UTIForWebURLsAndTitles(), NSURLPboardType,
+    NSStringPboardType, NSFilenamesPboardType
+  ];
 }
 
 - (id)initWithView:(NSView<URLDropTarget>*)view {