Add support for scout to 'ext' param when creating SafeBrowsing ping URLs.

chrome/browser/safe_browsing/safe_browsing_service_browsertest.cc

Index: chrome/browser/safe_browsing/safe_browsing_service_browsertest.cc
diff --git a/chrome/browser/safe_browsing/safe_browsing_service_browsertest.cc b/chrome/browser/safe_browsing/safe_browsing_service_browsertest.cc
index dd49ee7c2699b03eb70fd93164e677a6f31ee2be..37cf03674ed94f107c3024be3166696743255da8 100644
--- a/chrome/browser/safe_browsing/safe_browsing_service_browsertest.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_service_browsertest.cc
@@ -391,7 +391,7 @@ class TestProtocolManager : public SafeBrowsingProtocolManager {
   void GetFullHash(const std::vector<SBPrefix>& prefixes,
                    SafeBrowsingProtocolManager::FullHashCallback callback,
                    bool is_download,
-                   bool is_extended_reporting) override {
+                   ExtendedReportingLevel reporting_level) override {
     BrowserThread::PostDelayedTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(InvokeFullHashCallback, callback, full_hashes_), delay_);