Feature to disable field trials in old versions of Chromium. Field trials...

chrome/renderer/renderer_main.cc

 // Copyright (c) 2010 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.
 
 #if defined(OS_MACOSX)
 #include <signal.h>
 #include <unistd.h>
 #endif  // OS_MACOSX
 
 #include "base/command_line.h"
@@ skipping 243 matching lines @@
   if (!base::StatisticsRecorder::IsActive()) {
     statistics.reset(new base::StatisticsRecorder());
   }
 
   // Initialize statistical testing infrastructure.
   base::FieldTrialList field_trial;
   // Ensure any field trials in browser are reflected into renderer.
   if (parsed_command_line.HasSwitch(switches::kForceFieldTestNameAndValue)) {
     std::string persistent = parsed_command_line.GetSwitchValueASCII(
         switches::kForceFieldTestNameAndValue);
-    bool ret = field_trial.StringAugmentsState(persistent);
+    bool ret = field_trial.CreateTrialsInChildProcess(persistent);
     DCHECK(ret);
   }
 
   // Load pepper plugins before engaging the sandbox.
   PepperPluginRegistry::GetInstance();
 
   {
 #if !defined(OS_LINUX)
     // TODO(markus): Check if it is OK to unconditionally move this
     // instruction down.
@@ skipping 20 matching lines @@
         pool->Recycle();
       TRACE_EVENT_BEGIN("RendererMain.START_MSG_LOOP", 0, 0);
       MessageLoop::current()->Run();
       TRACE_EVENT_END("RendererMain.START_MSG_LOOP", 0, 0);
     }
   }
   platform.PlatformUninitialize();
   TRACE_EVENT_END("RendererMain", 0, "");
   return 0;
 }