Focus the textfield when doing a JS prompt

chrome/browser/jsmessage_box_handler.cc

 // Copyright (c) 2006-2008 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/jsmessage_box_handler.h"
 
 #include "chrome/browser/app_modal_dialog_queue.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/web_contents.h"
 #include "chrome/common/gfx/text_elider.h"
@@ skipping 134 matching lines @@
   dialog_->Activate();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // JavascriptMessageBoxHandler, views::WindowDelegate implementation:
 
 views::View* JavascriptMessageBoxHandler::GetContentsView() {
   return message_box_view_;
 }
 
+views::View* JavascriptMessageBoxHandler::GetInitiallyFocusedView() const {
+  if (message_box_view_->text_box())
+    return message_box_view_->text_box();
+  return views::AppModalDialogDelegate::GetInitiallyFocusedView();
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // JavascriptMessageBoxHandler, private:
 
 void JavascriptMessageBoxHandler::Observe(NotificationType type,
                                           const NotificationSource& source,
                                           const NotificationDetails& details) {
   bool web_contents_gone = false;
   if (!web_contents_)
     return;
 
@@ skipping 39 matching lines @@
   // Make sure we get navigation notifications so we know when our parent
   // contents will disappear or navigate to a different page.
   NotificationService::current()->
       AddObserver(this, NOTIFY_NAV_ENTRY_COMMITTED,
                   NotificationService::AllSources());
   NotificationService::current()->
       AddObserver(this, NOTIFY_TAB_CONTENTS_DESTROYED,
                   NotificationService::AllSources());
 }