Add hideKeyboard API to chrome.experimental.input.

chrome/browser/extensions/extension_input_ui_api.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/extensions/extension_input_ui_api.h"
 
+#include "content/common/notification_service.h"
+
+#if defined(OS_CHROMEOS)
 #include <algorithm>
 #include <string>
 
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/extensions/extension_event_router.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 334 matching lines @@
       profile(), extension_id());
   return true;
 }
 
 bool PageDownInputUiFunction::RunImpl() {
   ExtensionInputUiEventRouter::GetInstance()->PageDown(
       profile(), extension_id());
   return true;
 }
 
+#endif  // OS_CHROMEOS
+
+bool HideKeyboardInputUiFunction::RunImpl() {
+  NotificationService::current()->Notify(
+      NotificationType::HIDE_KEYBOARD_INVOKED,
+      Source<HideKeyboardInputUiFunction>(this),
+      NotificationService::NoDetails());
+  return true;
+}