Expand FeatureList to support FieldTrial association.

chrome/browser/chrome_browser_main.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chrome_browser_main.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 676 matching lines @@
   }
 
   scoped_ptr<base::FeatureList> feature_list(new base::FeatureList);
   feature_list->InitializeFromCommandLine(
       command_line->GetSwitchValueASCII(switches::kEnableFeatures),
       command_line->GetSwitchValueASCII(switches::kDisableFeatures));
 
   variations::VariationsService* variations_service =
       browser_process_->variations_service();
   if (variations_service)
-    variations_service->CreateTrialsFromSeed();
+    variations_service->CreateTrialsFromSeed(feature_list.get());
 
-  // TODO(asvitkine): Pass |feature_list| to CreateTrialsFromSeed() above.
   base::FeatureList::SetInstance(feature_list.Pass());
 
   // This must be called after |local_state_| is initialized.
   browser_field_trials_.SetupFieldTrials();
 
   // Enable Navigation Tracing only if a trace upload url is specified.
   if (command_line->HasSwitch(switches::kEnableNavigationTracing) &&
       command_line->HasSwitch(switches::kTraceUploadURL)) {
     tracing::SetupNavigationTracing();
   }
@@ skipping 1138 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif  // defined(OS_CHROMEOS)
 #endif  // defined(OS_ANDROID)
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }