Refactor omnibox focus API into a single method.

chrome/browser/ui/search/instant_page.h

Index: chrome/browser/ui/search/instant_page.h
diff --git a/chrome/browser/ui/search/instant_page.h b/chrome/browser/ui/search/instant_page.h
index 65649452940e096ae29de6d4f989b3abbbb77e03..2cee18dbd2fc76c5d4d14579ccf3c7522a40d334 100644
--- a/chrome/browser/ui/search/instant_page.h
+++ b/chrome/browser/ui/search/instant_page.h
@@ -11,6 +11,7 @@
 #include "base/compiler_specific.h"
 #include "base/string16.h"
 #include "chrome/common/instant_types.h"
+#include "chrome/common/omnibox_focus_state.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/common/page_transition_types.h"
 
@@ -219,9 +220,7 @@ class InstantPage : public content::WebContentsObserver {
   void OnShowInstantOverlay(int page_id,
                             int height,
                             InstantSizeUnits units);
-  void OnFocusOmnibox(int page_id);
-  void OnStartCapturingKeyStrokes(int page_id);
-  void OnStopCapturingKeyStrokes(int page_id);
+  void OnFocusOmnibox(int page_id, OmniboxFocusState state);
   void OnSearchBoxNavigate(int page_id,
                            const GURL& url,
                            content::PageTransition transition,