Replace the GURL referrer field of OpenURLParams with a content::Referrer

chrome/browser/ui/cocoa/applescript/tab_applescript.mm

 // Copyright (c) 2011 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/applescript/tab_applescript.h"
 
 #import <Carbon/Carbon.h>
 #import <Foundation/NSAppleEventDescriptor.h>
 
 #include "base/file_path.h"
@@ skipping 197 matching lines @@
     return;
   }
 
   NavigationEntry* entry = tabContents_->controller().GetActiveEntry();
   if (!entry)
     return;
 
   const GURL& previousURL = entry->virtual_url();
   tabContents_->tab_contents()->OpenURL(OpenURLParams(
       url,
-      previousURL,
+      content::Referrer(previousURL, WebKit::WebReferrerPolicyDefault),
       CURRENT_TAB,
       content::PAGE_TRANSITION_TYPED,
       false));
 }
 
 - (NSString*)title {
   NavigationEntry* entry = tabContents_->controller().GetActiveEntry();
   if (!entry)
     return nil;
 
@@ skipping 170 matching lines @@
   }
 
   string16 script = base::SysNSStringToUTF16(
       [[command evaluatedArguments] objectForKey:@"javascript"]);
   Value* value = view->ExecuteJavascriptAndGetValue(string16(), script);
   NSAppleEventDescriptor* descriptor = valueToDescriptor(value);
   return [[[AnyResultValue alloc] initWithDescriptor:descriptor] autorelease];
 }
 
 @end