Localize instant string.

chrome/browser/ui/cocoa/instant_confirm_window_controller.mm

 // Copyright (c) 2010 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/ui/cocoa/instant_confirm_window_controller.h"
 
 #include "base/logging.h"
 #include "base/mac_util.h"
 #include "chrome/browser/instant/instant_confirm_dialog.h"
 #include "chrome/browser/instant/instant_controller.h"
@@ skipping 42 matching lines @@
   NSRect frame = [[self window] frame];
   frame.size.height += delta;
   [[self window] setFrame:frame display:YES];
 }
 
 - (void)windowWillClose:(NSNotification*)notif {
   [self autorelease];
 }
 
 - (IBAction)learnMore:(id)sender {
-  browser::ShowOptionsURL(profile_, GURL(browser::kInstantLearnMoreURL));
+  browser::ShowOptionsURL(profile_, browser::InstantLearnMoreURL());
 }
 
 - (IBAction)ok:(id)sender {
   InstantController::Enable(profile_);
   [self cancel:sender];
 }
 
 - (IBAction)cancel:(id)sender {
   [NSApp endSheet:[self window]];
   [[self window] close];
 }
 
 @end