Make most code on mac compile with enable_web_intents=0

chrome/browser/download/chrome_download_manager_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_DOWNLOAD_CHROME_DOWNLOAD_MANAGER_DELEGATE_H_
 #define CHROME_BROWSER_DOWNLOAD_CHROME_DOWNLOAD_MANAGER_DELEGATE_H_
 
 #include "base/compiler_specific.h"
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
@@ skipping 189 matching lines @@
       bool reserved_path_verified);
 
   // Called on the UI thread once the final target path is available.
   void OnTargetPathDetermined(
       int32 download_id,
       const content::DownloadTargetCallback& callback,
       content::DownloadItem::TargetDisposition disposition,
       content::DownloadDangerType danger_type,
       const FilePath& target_path);
 
+#if defined(ENABLE_WEB_INTENTS)
   // Check policy of whether we should open this download with a web intents
   // dispatch.
   bool ShouldOpenWithWebIntents(const content::DownloadItem* item);
 
   // Open the given item with a web intent dispatch.
   void OpenWithWebIntent(const content::DownloadItem* item);
+#endif
 
   // Internal gateways for ShouldCompleteDownload().
   bool IsDownloadReadyForCompletion(
       content::DownloadItem* item,
       const base::Closure& internal_complete_callback);
   void ShouldCompleteDownloadInternal(
     int download_id,
     const base::Closure& user_complete_callback);
 
   Profile* profile_;
@@ skipping 24 matching lines @@
 #endif
 
   // The directory most recently chosen by the user in response to a Save As
   // dialog for a regular download.
   FilePath last_download_path_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeDownloadManagerDelegate);
 };
 
 #endif  // CHROME_BROWSER_DOWNLOAD_CHROME_DOWNLOAD_MANAGER_DELEGATE_H_