Activate prepopulated fieldtrials

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index df6a7c6514787ddcb6b95c90abc90d44f464ba03..96459c5d8c2709b4ff3c96d94309f00829ed204a 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -631,6 +631,12 @@ void ChromeBrowserMainParts::SetupMetricsAndFieldTrials() {
     CHECK(result) << "Invalid --" << switches::kForceFieldTrials
                   << " list specified.";
   }
+
+  if (command_line->HasSwitch(switches::kEnableFieldTrialTestingConfig)) {
+    bool result = chrome_variations::AssociateParamsFromFieldTrialConfig();
+    CHECK(result) << " Enabling field trial testing configuration failed.";
+  }
+
   if (command_line->HasSwitch(switches::kForceVariationIds)) {
     // Create default variation ids which will always be included in the
     // X-Client-Data request header.