Prerender: omnibox and instant field trial parameters.

chrome/browser/prerender/prerender_field_trial.h

Index: chrome/browser/prerender/prerender_field_trial.h
diff --git a/chrome/browser/prerender/prerender_field_trial.h b/chrome/browser/prerender/prerender_field_trial.h
index ce5a487853087fc41ec8603ff3fa07d448cecca1..501d0b79bb3cbde1911a65d094ca8aa1879c78a7 100644
--- a/chrome/browser/prerender/prerender_field_trial.h
+++ b/chrome/browser/prerender/prerender_field_trial.h
@@ -11,11 +11,15 @@ class Profile;
 
 namespace prerender {
 
+// These Finch feature and parameter strings exposed for for testing.
 extern const base::Feature kNoStatePrefetchFeature;
 extern const char kNoStatePrefetchFeatureModeParameterName[];
+extern const char kNoStatePrefetchFeatureInstantModeParameterName[];
+extern const char kNoStatePrefetchFeatureOmniboxModeParameterName[];
 extern const char kNoStatePrefetchFeatureModeParameterPrefetch[];
 extern const char kNoStatePrefetchFeatureModeParameterPrerender[];
 extern const char kNoStatePrefetchFeatureModeParameterSimpleLoad[];
+extern const char kNoStatePrefetchFeatureModeParameterDisabled[];
 
 // Configures prerender using kNoStatePrefetchFeature and field trial
 // parameters.