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 b1cfe0b6d89997f4e84d4136827d74d16974ed71..a4ce436ac37af882eb4f9267d2ab2eb3183c2ad8 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -633,6 +633,16 @@ void ChromeBrowserMainParts::SetupMetricsAndFieldTrials() {
     CHECK(result) << "Invalid --" << switches::kForceFieldTrials
                   << " list specified.";
   }
+
+#if !defined(GOOGLE_CHROME_BUILD)
+  if (!command_line->HasSwitch(switches::kDisableFieldTrialTestingConfig) &&
+      !command_line->HasSwitch(switches::kForceFieldTrials) &&
+      !command_line->HasSwitch(switches::kVariationsServerURL)) {
+    bool result = chrome_variations::AssociateDefaultFieldTrialConfig();
+    CHECK(result) << " Enabling field trial testing configuration failed.";
+  }
+#endif  // !defined(GOOGLE_CHROME_BUILD)
+
   if (command_line->HasSwitch(switches::kForceVariationIds)) {
     // Create default variation ids which will always be included in the
     // X-Client-Data request header.