Add onfocuschange to the Extended Search API, with associated isFocused attribute.

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 441994ba3d30850bdc8d54c39ed85914caa3d88b..2bc65267fb6ae9f17a49973b6d36defe2c8925dd 100644
--- a/chrome/renderer/searchbox/searchbox.h
+++ b/chrome/renderer/searchbox/searchbox.h
@@ -69,6 +69,7 @@ class SearchBox : public content::RenderViewObserver,
   bool display_instant_results() const { return display_instant_results_; }
   const string16& omnibox_font() const { return omnibox_font_; }
   size_t omnibox_font_size() const { return omnibox_font_size_; }
+  bool is_focused() const { return is_focused_; }
 
   // In extended Instant, returns the start-edge margin of the location bar in
   // screen pixels.
@@ -143,6 +144,8 @@ class SearchBox : public content::RenderViewObserver,
   void OnMostVisitedChanged(
       const std::vector<InstantMostVisitedItemIDPair>& items);
 

[melevin, 2013/05/09 16:41:11]

No newline here.

+  void OnFocusChanged(bool is_focused);
+
   // Returns the current zoom factor of the render view or 1 on failure.
   double GetZoom() const;
 
@@ -164,6 +167,7 @@ class SearchBox : public content::RenderViewObserver,
   bool display_instant_results_;
   string16 omnibox_font_;
   size_t omnibox_font_size_;
+  bool is_focused_;
   InstantRestrictedIDCache<InstantAutocompleteResult>
       autocomplete_results_cache_;
   InstantRestrictedIDCache<InstantMostVisitedItem> most_visited_items_cache_;