Instant extended API: Make arrow up/down work.

chrome/renderer/searchbox/searchbox.h

Index: chrome/renderer/searchbox/searchbox.h
diff --git a/chrome/renderer/searchbox/searchbox.h b/chrome/renderer/searchbox/searchbox.h
index d5c8c0584c4eed859ce57f300e0e980411b4ca0e..c568d13117fcee81d7aad992b9d129be22b81aa2 100644
--- a/chrome/renderer/searchbox/searchbox.h
+++ b/chrome/renderer/searchbox/searchbox.h
@@ -43,7 +43,6 @@ class SearchBox : public content::RenderViewObserver,
   const std::vector<InstantAutocompleteResult>& autocomplete_results() const {
     return autocomplete_results_;
   }
-  int key_code() const { return key_code_; }
 
  private:
   // RenderViewObserver implementation.
@@ -59,7 +58,7 @@ class SearchBox : public content::RenderViewObserver,
   void OnDetermineIfPageSupportsInstant();
   void OnAutocompleteResults(
       const std::vector<InstantAutocompleteResult>& results);
-  void OnKeyPress(int key_code);
+  void OnUpOrDownKeyPressed(int count);
 
   // Sets the searchbox values to their initial value.
   void Reset();
@@ -71,7 +70,6 @@ class SearchBox : public content::RenderViewObserver,
   int results_base_;
   gfx::Rect rect_;
   std::vector<InstantAutocompleteResult> autocomplete_results_;
-  int key_code_;
 
   DISALLOW_COPY_AND_ASSIGN(SearchBox);
 };