Propagate the SafeBrowsing download protection verdict to the DownloadItem.

chrome/browser/safe_browsing/download_protection_service.h

 // Copyright (c) 2011 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.
 //
 // Helper class which handles communication with the SafeBrowsing servers for
 // improved binary download protection.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_DOWNLOAD_PROTECTION_SERVICE_H_
 #define CHROME_BROWSER_SAFE_BROWSING_DOWNLOAD_PROTECTION_SERVICE_H_
 #pragma once
@@ skipping 68 matching lines @@
                                    const CheckDownloadCallback& callback);
 
   // Checks whether any of the URLs in the redirect chain of the
   // download match the SafeBrowsing bad binary URL list.  The result is
   // delivered asynchronously via the given callback.  This method must be
   // called on the UI thread, and the callback will also be invoked on the UI
   // thread.  Pre-condition: !info.download_url_chain.empty().
   virtual void CheckDownloadUrl(const DownloadInfo& info,
                                 const CheckDownloadCallback& callback);
 
+  // Returns true iff the given filename has an extension that is supported
+  // by this service.  In other words: this method returns true if it can
+  // protect users against files with that particular extension.
+  bool IsSupportedFileType(const FilePath& filename) const;
+
   // Enables or disables the service.  This is usually called by the
   // SafeBrowsingService, which tracks whether any profile uses these services
   // at all.  Disabling causes any pending and future requests to have their
   // callbacks called with "SAFE" results.
   void SetEnabled(bool enabled);
 
   bool enabled() const {
     return enabled_;
   }
 
@@ skipping 57 matching lines @@
   bool enabled_;
 
   // SignatureUtil object, may be overridden for testing.
   scoped_refptr<SignatureUtil> signature_util_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadProtectionService);
 };
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_DOWNLOAD_PROTECTION_SERVICE_H_