Send all field trials from the browser.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 709975de85518026a75dc6d0a602dac6efbea6b1..0a4d7fe89e0719d1cbd56e1c80729a304b3e20ce 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1137,7 +1137,7 @@ void RenderProcessHostImpl::AppendRendererCommandLine(
   // 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);