[MediaGalleries] Enable iPhoto gallery

chrome/browser/media_galleries/fileapi/iapps_finder_impl_mac.mm

 // Copyright 2013 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.
 
 #include "chrome/browser/media_galleries/fileapi/iapps_finder_impl.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #import "base/mac/foundation_util.h"
 #import "base/mac/scoped_nsobject.h"
+#include "base/strings/sys_string_conversions.h"
 #include "base/time/time.h"
 #include "chrome/browser/storage_monitor/storage_info.h"
 #include "components/policy/core/common/preferences_mac.h"
 #include "content/public/browser/browser_thread.h"
 
 using base::mac::CFCast;
 using base::mac::CFToNSCast;
 using base::mac::NSToCFCast;
 
 namespace iapps {
@@ skipping 83 matching lines @@
       base::Bind(&FindMostRecentDatabase,
                  base::scoped_nsobject<NSString>(kITunesRecentDatabasePathsKey),
                  base::Bind(&ExtractITunesPath)),
       callback);
 }
 
 void SetMacPreferencesForTesting(MacPreferences* preferences) {
   g_test_mac_preferences = preferences;
 }
 
+NSArray* NSArrayFromFilePath(const base::FilePath& path) {
+  NSString* url =
+      [[NSURL fileURLWithPath:base::SysUTF8ToNSString(path.value())]
+          absoluteString];
+  return [NSArray arrayWithObject:url];
+}
+
 }  // namespace iapps