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

chrome/browser/safe_browsing/download_protection_service.h

Index: chrome/browser/safe_browsing/download_protection_service.h
diff --git a/chrome/browser/safe_browsing/download_protection_service.h b/chrome/browser/safe_browsing/download_protection_service.h
index bd096b0ba64df7c6d60c9bea83b12e0d66b4943a..f3ae428722a96df9f42d1bf273044d1214d9bd7f 100644
--- a/chrome/browser/safe_browsing/download_protection_service.h
+++ b/chrome/browser/safe_browsing/download_protection_service.h
@@ -28,7 +28,6 @@
 #include "net/url_request/url_request_context_getter.h"
 #include "url/gurl.h"
 
-
 namespace content {
 class DownloadItem;
 class PageNavigator;
@@ -38,6 +37,8 @@ namespace net {
 class X509Certificate;
 }  // namespace net
 
+class Profile;
+
 namespace safe_browsing {
 class BinaryFeatureExtractor;
 class ClientDownloadRequest;
@@ -115,6 +116,7 @@ class DownloadProtectionService {
       const GURL& requestor_url,
       const base::FilePath& default_file_path,
       const std::vector<base::FilePath::StringType>& alternate_extensions,
+      Profile* profile,
       const CheckDownloadCallback& callback);
 
   // Display more information to the user regarding the download specified by