Preload Instant search when omnibox is focused.

chrome/browser/autocomplete/autocomplete_edit.cc

 // Copyright (c) 2011 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/autocomplete/autocomplete_edit.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/metrics/histogram.h"
@@ skipping 567 matching lines @@
 const AutocompleteResult& AutocompleteEditModel::result() const {
   return autocomplete_controller_->result();
 }
 
 void AutocompleteEditModel::OnSetFocus(bool control_down) {
   has_focus_ = true;
   control_key_state_ = control_down ? DOWN_WITHOUT_CHANGE : UP;
   NotificationService::current()->Notify(NotificationType::OMNIBOX_FOCUSED,
                                          Source<AutocompleteEditModel>(this),
                                          NotificationService::NoDetails());
+  InstantController* instant = controller_->GetInstant();
+  TabContentsWrapper* tab = controller_->GetTabContentsWrapper();
+  if (instant && tab)
+    instant->OnAutocompleteGotFocus(tab);
 }
 
 void AutocompleteEditModel::OnWillKillFocus(
     gfx::NativeView view_gaining_focus) {
   SetSuggestedText(string16(), INSTANT_COMPLETE_NOW);
 
   InstantController* instant = controller_->GetInstant();
   if (instant)
     instant->OnAutocompleteLostFocus(view_gaining_focus);
 }
@@ skipping 408 matching lines @@
 //  static
 bool AutocompleteEditModel::IsSpaceCharForAcceptingKeyword(wchar_t c) {
   switch (c) {
     case 0x0020:  // Space
     case 0x3000:  // Ideographic Space
       return true;
     default:
       return false;
   }
 }