Sample 1% url whitelisted PPAPI downloads to ping safe browsing server

chrome/browser/safe_browsing/download_protection_service.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.
 //
 // 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_
 
@@ skipping 97 matching lines @@
   // Returns true iff the download specified by |info| should be scanned by
   // CheckClientDownload() for malicious content.
   virtual bool IsSupportedDownload(
       const content::DownloadItem& item,
       const base::FilePath& target_path) const;
 
   virtual void CheckPPAPIDownloadRequest(
       const GURL& requestor_url,
       const base::FilePath& default_file_path,
       const std::vector<base::FilePath::StringType>& alternate_extensions,
+      bool is_extended_reporting,
+      bool is_incognito,
       const CheckDownloadCallback& callback);
 
   // Display more information to the user regarding the download specified by
   // |info|. This method is invoked when the user requests more information
   // about a download that was marked as malicious.
   void ShowDetailsForDownload(const content::DownloadItem& item,
                               content::PageNavigator* navigator);
 
   // Enables or disables the service.  This is usually called by the
   // SafeBrowsingService, which tracks whether any profile uses these services
@@ skipping 172 matching lines @@
   std::set<std::string> manual_blacklist_hashes_;
 
   // Rate of whitelisted downloads we sample to send out download ping.
   double whitelist_sample_rate_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadProtectionService);
 };
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_DOWNLOAD_PROTECTION_SERVICE_H_