Enable "Hide Extension" option when "Save Link As" on the Mac

chrome/browser/download/chrome_download_manager_delegate_unittest.cc

 // Copyright (c) 2012 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 "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/location.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
@@ skipping 94 matching lines @@
   }
 
   void PromptUserForDownloadPath(
       DownloadItem* download,
       const base::FilePath& suggested_path,
       const DownloadTargetDeterminerDelegate::FileSelectedCallback& callback)
       override {
     base::FilePath return_path = MockPromptUserForDownloadPath(download,
                                                                suggested_path,
                                                                callback);
-    callback.Run(return_path);
+    callback.Run(return_path, false);
   }
 
   MOCK_METHOD3(
       MockPromptUserForDownloadPath,
       base::FilePath(
           content::DownloadItem*,
           const base::FilePath&,
           const DownloadTargetDeterminerDelegate::FileSelectedCallback&));
 };
 
@@ skipping 120 matching lines @@
     const base::FilePath& path) {
   pref_service_->SetFilePath(prefs::kDownloadDefaultDirectory, path);
   pref_service_->SetFilePath(prefs::kSaveFileDefaultDirectory, path);
 }
 
 void StoreDownloadTargetInfo(const base::Closure& closure,
                          DownloadTargetInfo* target_info,
                          const base::FilePath& target_path,
                          DownloadItem::TargetDisposition target_disposition,
                          content::DownloadDangerType danger_type,
-                         const base::FilePath& intermediate_path) {
+                         const base::FilePath& intermediate_path,
+                         bool hide_file_extension) {
   target_info->target_path = target_path;
   target_info->target_disposition = target_disposition;
   target_info->danger_type = danger_type;
   target_info->intermediate_path = intermediate_path;
   closure.Run();
 }
 
 void ChromeDownloadManagerDelegateTest::DetermineDownloadTarget(
     DownloadItem* download_item,
     DownloadTargetInfo* result) {
@@ skipping 128 matching lines @@
       CreateActiveDownloadItem(1));
   EXPECT_CALL(*download_item, GetTargetFilePath())
       .WillRepeatedly(ReturnRef(existing_path));
   EXPECT_TRUE(CheckForFileExistence(download_item.get()));
 
   download_item.reset(CreateActiveDownloadItem(1));
   EXPECT_CALL(*download_item, GetTargetFilePath())
       .WillRepeatedly(ReturnRef(non_existent_path));
   EXPECT_FALSE(CheckForFileExistence(download_item.get()));
 }