Safe Browsing malware interstitial redesign field trial.

chrome/browser/chrome_browser_field_trials.cc

Index: chrome/browser/chrome_browser_field_trials.cc
diff --git a/chrome/browser/chrome_browser_field_trials.cc b/chrome/browser/chrome_browser_field_trials.cc
index f1e27a852d57317c77120cf072304e0ef51e6876..09600f8a8a28aa8afeea0fd93a172346ddf25d41 100644
--- a/chrome/browser/chrome_browser_field_trials.cc
+++ b/chrome/browser/chrome_browser_field_trials.cc
@@ -20,6 +20,7 @@
 #include "chrome/browser/gpu_util.h"
 #include "chrome/browser/net/predictor.h"
 #include "chrome/browser/prerender/prerender_field_trial.h"
+#include "chrome/browser/safe_browsing/safe_browsing_blocking_page.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/metrics/variations/variations_util.h"
@@ -124,6 +125,7 @@ void ChromeBrowserFieldTrials::SetupFieldTrials(bool proxy_policy_is_set) {
   SetupUniformityFieldTrials();
   AutocompleteFieldTrial::Activate();
   DisableNewTabFieldTrialIfNecesssary();
+  SetUpSafeBrowsingInterstitialFieldTrial();
 }
 
 // This is an A/B test for the maximum number of persistent connections per
@@ -582,3 +584,13 @@ void ChromeBrowserFieldTrials::DisableNewTabFieldTrialIfNecesssary() {
       trial->Disable();
   }
 }
+
+void ChromeBrowserFieldTrials::SetUpSafeBrowsingInterstitialFieldTrial() {
+  const base::FieldTrial::Probability kDivisor = 100;
+  const base::FieldTrial::Probability kVersion2Probability = 50;  // 50% prob.
+  scoped_refptr<base::FieldTrial> trial(
+      base::FieldTrialList::FactoryGetFieldTrial("SBInterstitial", kDivisor,
+                                                 "V1", 2012, 9, 19, NULL));
+  trial->UseOneTimeRandomization();
+  trial->AppendGroup("V2", kVersion2Probability);
+}