Mac: implement DnD of URLs onto Omnibox.

chrome/browser/cocoa/autocomplete_text_field_editor.mm

 // Copyright (c) 2009 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 "chrome/browser/cocoa/autocomplete_text_field_editor.h"
 
 #include "app/l10n_util_mac.h"
 #include "base/string_util.h"
 #include "grit/generated_resources.h"
 #include "base/sys_string_conversions.h"
@@ skipping 59 matching lines @@
 // NSTextField and NSTextView synchronize their contents.  That is
 // probably unavoidable because in most cases having rich text in the
 // field you probably would expect it to update the font panel.
 - (void)updateFontPanel {
 }
 
 // No ruler bar, so don't update any of that state, either.
 - (void)updateRuler {
 }
 
+// Let the |AutocompleteTextField| handle drops.
+- (void)updateDragTypeRegistration {
+}
+
 - (NSMenu*)menuForEvent:(NSEvent*)event {
   NSMenu* menu = [[[NSMenu alloc] initWithTitle:@"TITLE"] autorelease];
   [menu addItemWithTitle:l10n_util::GetNSStringWithFixup(IDS_CUT)
                   action:@selector(cut:)
            keyEquivalent:@""];
   [menu addItemWithTitle:l10n_util::GetNSStringWithFixup(IDS_COPY)
                   action:@selector(copy:)
            keyEquivalent:@""];
   [menu addItemWithTitle:l10n_util::GetNSStringWithFixup(IDS_PASTE)
                   action:@selector(paste:)
@@ skipping 26 matching lines @@
                                          action:@selector(commandDispatch:)
                                   keyEquivalent:@""];
       [item setTag:IDC_EDIT_SEARCH_ENGINES];
     }
   }
 
   return menu;
 }
 
 @end