[Search] No longer reverting omnibox text on instant search

chrome/browser/instant/instant_controller.h

Index: chrome/browser/instant/instant_controller.h
diff --git a/chrome/browser/instant/instant_controller.h b/chrome/browser/instant/instant_controller.h
index 1c1d8042479d491a3b767137a50d0440fe0db149..de2aaa96d0c4e13073a0ee2e8ad26d71d46cbc44 100644
--- a/chrome/browser/instant/instant_controller.h
+++ b/chrome/browser/instant/instant_controller.h
@@ -82,6 +82,9 @@ class InstantController {
   // Returns true if the Instant preview is showing a search results preview.
   bool IsPreviewingSearchResults() const;
 
+  // Returns true if an Instant-extended search is currently being done.
+  bool IsInstantExtendedSearch() const;
+
   // If the preview is showing search results, commits the preview, calling
   // CommitInstant() on the browser, and returns true. Else, returns false.
   bool CommitIfPossible(InstantCommitType type);