Handle per-tab AUTOMATIC_DOWNLOADS setting in DownloadRequestLimiter.

chrome/browser/content_settings/tab_specific_content_settings.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_CONTENT_SETTINGS_TAB_SPECIFIC_CONTENT_SETTINGS_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_TAB_SPECIFIC_CONTENT_SETTINGS_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 171 matching lines @@
   // CONTENT_SETTINGS_TYPE_JAVASCRIPT).
   // TODO(vabr): Only public for tests. Move to a test client.
   void ClearNavigationRelatedContentSettings();
 
   // Notifies that a Flash download has been blocked.
   void FlashDownloadBlocked();
 
   // Changes the |content_blocked_| entry for popups.
   void SetPopupsBlocked(bool blocked);
 
-  // Changes the |content_blocked_| entry for downloads.
-  void SetDownloadsBlocked(bool blocked);
-
   // Changes |subresource_filter_enabled_| entry for the Safe Browsing
   // Subresource Filter.
   void SetSubresourceBlocked(bool enabled);
 
   // Returns whether a particular kind of content has been blocked for this
   // page.
   bool IsContentBlocked(ContentSettingsType content_type) const;
 
   // Returns true if Safe Browsing Subresource Filter is active for the page.
   // TODO(melandory): revisit this method if/once content setting will be added.
@@ skipping 284 matching lines @@
   // Holds the previous committed url during a navigation.
   GURL previous_url_;
 
   // Observer to watch for content settings changed.
   ScopedObserver<HostContentSettingsMap, content_settings::Observer> observer_;
 
   DISALLOW_COPY_AND_ASSIGN(TabSpecificContentSettings);
 };
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_TAB_SPECIFIC_CONTENT_SETTINGS_H_