Implement {Start,Stop}CapturingKeyStrokes for Instant.

chrome/browser/ui/search/search_tab_helper.cc

Index: chrome/browser/ui/search/search_tab_helper.cc
diff --git a/chrome/browser/ui/search/search_tab_helper.cc b/chrome/browser/ui/search/search_tab_helper.cc
index aa7f1dd6950f878a3a914dd053bca8d8d4c1f3aa..7c38cc6360db372f4f1747857d54d94bf6e56ca5 100644
--- a/chrome/browser/ui/search/search_tab_helper.cc
+++ b/chrome/browser/ui/search/search_tab_helper.cc
@@ -84,6 +84,16 @@ void SearchTabHelper::NavigateToPendingEntry(
     UpdateModelBasedOnURL(url, !is_initial_navigation_commit_);
 }
 
+void SearchTabHelper::OnWebSearchBoxFocus() {
+  if (model_.mode().is_ntp())
+    model_.SetMode(Mode(Mode::MODE_NTP_WEB_SEARCHBOX_HAS_FOCUS, false));

[Mathieu, 2012/11/15 20:37:20]

I think this is missing the origin parameter (2nd param). Same below.

+}
+
+void SearchTabHelper::OnWebSearchBoxBlur() {
+  if (model_.mode().is_ntp())
+    model_.SetMode(Mode(Mode::MODE_NTP, false));
+}
+
 void SearchTabHelper::Observe(
     int type,
     const content::NotificationSource& source,