Send all field trials from the browser.

content/browser/renderer_host/render_process_host_impl.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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 1021 matching lines @@
 
   // Pass on the browser locale.
   const std::string locale =
       GetContentClient()->browser()->GetApplicationLocale();
   command_line->AppendSwitchASCII(switches::kLang, locale);
 
   // If we run base::FieldTrials, we want to pass to their state to the
   // renderer so that it can act in accordance with each state, or record
   // histograms relating to the base::FieldTrial states.
   std::string field_trial_states;
-  base::FieldTrialList::StatesToString(&field_trial_states);
+  base::FieldTrialList::AllStatesToString(&field_trial_states);
   if (!field_trial_states.empty()) {
     command_line->AppendSwitchASCII(switches::kForceFieldTrials,
                                     field_trial_states);
   }
 
   GetContentClient()->browser()->AppendExtraCommandLineSwitches(
       command_line, GetID());
 
   if (IsPinchToZoomEnabled())
     command_line->AppendSwitch(switches::kEnablePinch);
@@ skipping 1183 matching lines @@
 
 void RenderProcessHostImpl::DecrementWorkerRefCount() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK_GT(worker_ref_count_, 0);
   --worker_ref_count_;
   if (worker_ref_count_ == 0)
     Cleanup();
 }
 
 }  // namespace content