Implement {Start,Stop}CapturingKeyStrokes for Instant.

chrome/browser/ui/search/search_tab_helper.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/search/search_tab_helper.h"
 
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/search/search.h"
 #include "chrome/common/url_constants.h"
@@ skipping 66 matching lines @@
     return;
 
   // Do not animate if this url is the very first navigation for the tab.
   // NTP mode changes are initiated at "pending", all others are initiated
   // when "committed".  This is because NTP is rendered natively so is faster
   // to render than the web contents and we need to coordinate the animations.
   if (IsNTP(url))
     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,
     const content::NotificationDetails& details) {
   DCHECK_EQ(content::NOTIFICATION_NAV_ENTRY_COMMITTED, type);
   content::LoadCommittedDetails* committed_details =
       content::Details<content::LoadCommittedDetails>(details).ptr();
   // See comment in |NavigateToPendingEntry()| about why |!IsNTP()| is used.
   if (!IsNTP(committed_details->entry->GetURL())) {
     UpdateModelBasedOnURL(committed_details->entry->GetURL(),
@@ skipping 10 matching lines @@
     type = Mode::MODE_SEARCH_RESULTS;
   model_.SetMode(Mode(type, animate));
 }
 
 const content::WebContents* SearchTabHelper::web_contents() const {
   return model_.web_contents();
 }
 
 }  // namespace search
 }  // namespace chrome