|  | // Copyright 2014 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 "ios/net/url_scheme_util.h" | 
|  |  | 
|  | #import <Foundation/Foundation.h> | 
|  |  | 
|  | #include "base/logging.h" | 
|  | #include "base/strings/sys_string_conversions.h" | 
|  | #include "url/gurl.h" | 
|  |  | 
|  | namespace net { | 
|  |  | 
|  | bool UrlSchemeIs(NSURL* url, NSString* scheme) { | 
|  | DCHECK([scheme isEqualToString:[scheme lowercaseString]]); | 
|  | NSString* url_scheme = [url scheme]; | 
|  | return (url_scheme != nil) && | 
|  | [url_scheme caseInsensitiveCompare:scheme] == NSOrderedSame; | 
|  | } | 
|  |  | 
|  | bool UrlHasDataScheme(NSURL* url) { | 
|  | return UrlSchemeIs(url, base::SysUTF8ToNSString(url::kDataScheme)); | 
|  | } | 
|  |  | 
|  | }  // namespace net |