Added prerendering to omnibox.

chrome/browser/autocomplete/autocomplete_edit.h

Index: chrome/browser/autocomplete/autocomplete_edit.h
diff --git a/chrome/browser/autocomplete/autocomplete_edit.h b/chrome/browser/autocomplete/autocomplete_edit.h
index 1da824195acf395ff77a298485d341f3fa653501..171a7166a90f3f70c960bad7c09e954dac3325ce 100644
--- a/chrome/browser/autocomplete/autocomplete_edit.h
+++ b/chrome/browser/autocomplete/autocomplete_edit.h
@@ -529,11 +529,10 @@ class AutocompleteEditModel : public AutocompleteControllerDelegate {
 
   Profile* profile_;
 
-  // Should instant be updated? This is needed as prior to accepting the current
-  // text the model is reverted, which triggers resetting instant. We don't want
-  // to update instant in this case, so we use the flag to determine if this is
-  // happening.
-  bool update_instant_;
+  // This is needed as prior to accepting the current text the model is
+  // reverted, which triggers resetting instant. We don't want to update instant
+  // in this case, so we use the flag to determine if this is happening.
+  bool in_revert_;
 
   // Indicates if the upcoming autocomplete search is allowed to be treated as
   // an exact keyword match. If it's true then keyword mode will be triggered