Limit display of the virtual keyboard to state changes triggered from a user gesture.

chrome/browser/ui/search/search_tab_helper.cc

 // Copyright 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 <set>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
@@ skipping 427 matching lines @@
       break;
     case OMNIBOX_FOCUS_INVISIBLE:
       omnibox->SetFocus();
       omnibox->model()->SetCaretVisibility(false);
       // If the user clicked on the fakebox, any text already in the omnibox
       // should get cleared when they start typing. Selecting all the existing
       // text is a convenient way to accomplish this. It also gives a slight
       // visual cue to users who really understand selection state about what
       // will happen if they start typing.
       omnibox->SelectAll(false);
+      omnibox->ShowImeIfNeeded();
       break;
     case OMNIBOX_FOCUS_NONE:
       // Remove focus only if the popup is closed. This will prevent someone
       // from changing the omnibox value and closing the popup without user
       // interaction.
       if (!omnibox->model()->popup_model()->IsOpen())
         web_contents()->GetView()->Focus();
       break;
   }
 #endif
@@ skipping 134 matching lines @@
 void SearchTabHelper::RedirectToLocalNTP() {
   // Extra parentheses to declare a variable.
   content::NavigationController::LoadURLParams load_params(
       (GURL(chrome::kChromeSearchLocalNtpUrl)));
   load_params.referrer = content::Referrer();
   load_params.transition_type = content::PAGE_TRANSITION_SERVER_REDIRECT;
   // Don't push a history entry.
   load_params.should_replace_current_entry = true;
   web_contents_->GetController().LoadURLWithParams(load_params);
 }