Remove the finch gate from the UWS interstitial

chrome/browser/safe_browsing/ui_manager.cc

Index: chrome/browser/safe_browsing/ui_manager.cc
diff --git a/chrome/browser/safe_browsing/ui_manager.cc b/chrome/browser/safe_browsing/ui_manager.cc
index b50e3e3c5c6bb2ea5874e7b23b1a0f4d7e8e1094..a84fa34140d762e6480dddd5cad451d1423520a8 100644
--- a/chrome/browser/safe_browsing/ui_manager.cc
+++ b/chrome/browser/safe_browsing/ui_manager.cc
@@ -117,13 +117,9 @@ void SafeBrowsingUIManager::DisplayBlockingPage(
     }
   }
 
-  // For M40, the UwS warning may be gated to not show any UI.
-  const bool ping_only = resource.threat_type == SB_THREAT_TYPE_URL_UNWANTED
-    && safe_browsing_util::GetUnwantedTrialGroup() < safe_browsing_util::UWS_ON;
-
   // Indicate to interested observers that the resource in question matched the
-  // SB filters, unless the UwS interstitial is in ping-only mode.
-  if (resource.threat_type != SB_THREAT_TYPE_SAFE && !ping_only) {
+  // SB filters.
+  if (resource.threat_type != SB_THREAT_TYPE_SAFE) {
     FOR_EACH_OBSERVER(Observer, observer_list_, OnSafeBrowsingMatch(resource));
   }
 
@@ -179,15 +175,6 @@ void SafeBrowsingUIManager::DisplayBlockingPage(
                           std::string() /* post_data */);
   }
 
-  // If UwS interstitials are turned off, return here before showing UI.
-  if (ping_only) {
-    if (!resource.callback.is_null()) {
-      BrowserThread::PostTask(
-          BrowserThread::IO, FROM_HERE, base::Bind(resource.callback, true));
-    }
-    return;
-  }
-
   if (resource.threat_type != SB_THREAT_TYPE_SAFE) {
     FOR_EACH_OBSERVER(Observer, observer_list_, OnSafeBrowsingHit(resource));
   }