Interpret '?' and Ctrl-K or Ctrl-E as putting omnibox in keyword search mode for Default Search Pro…

chrome/browser/ui/views/location_bar/location_bar_view.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/views/location_bar/location_bar_view.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/i18n/rtl.h"
@@ skipping 1071 matching lines @@
 ui::PageTransition LocationBarView::GetPageTransition() const {
   return transition();
 }
 
 void LocationBarView::AcceptInput() {
   omnibox_view_->model()->AcceptInput(CURRENT_TAB, false);
 }
 
 void LocationBarView::FocusSearch() {
   omnibox_view_->SetFocus();
-  omnibox_view_->SetForcedQuery();
+  omnibox_view_->EnterKeywordModeForDefaultSearchProvider();
 }
 
 void LocationBarView::UpdateContentSettingsIcons() {
   if (RefreshContentSettingViews()) {
     Layout();
     SchedulePaint();
   }
 }
 
 void LocationBarView::UpdateManagePasswordsIconAndBubble() {
@@ skipping 281 matching lines @@
 // LocationBarView, private TemplateURLServiceObserver implementation:
 
 void LocationBarView::OnTemplateURLServiceChanged() {
   template_url_service_->RemoveObserver(this);
   template_url_service_ = nullptr;
   // If the browser is no longer active, let's not show the info bubble, as this
   // would make the browser the active window again.
   if (omnibox_view_ && omnibox_view_->GetWidget()->IsActive())
     ShowFirstRunBubble();
 }