Implement virtual keyboard hiding.

chrome/browser/extensions/api/input/input.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/extensions/api/input/input.h"
 
+#include "ash/root_window_controller.h"
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "chrome/browser/extensions/extension_function_registry.h"
 #include "content/public/browser/browser_thread.h"
 #include "ui/base/events/event.h"
+#include "ui/keyboard/keyboard_controller.h"
 
 #if defined(USE_ASH)
 #include "ash/shell.h"
 #include "ui/keyboard/keyboard_util.h"
 #endif
 
 namespace {
 
 const char kNotYetImplementedError[] =
     "API is not implemented on this platform.";
 
 }  // namespace
 
 namespace extensions {
 
 bool InsertTextInputFunction::RunImpl() {
 #if defined(USE_ASH)
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   string16 text;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &text));
 
   return keyboard::InsertText(text, ash::Shell::GetPrimaryRootWindow());
 #endif
   error_ = kNotYetImplementedError;
   return false;
 }
 
+bool HideKeyboardFunction::RunImpl() {
+#if defined(USE_ASH)
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+
+  ash::Shell::GetPrimaryRootWindowController()->keyboard_controller()->
+      HideKeyboard();
+
+  return true;
+#endif
+  error_ = kNotYetImplementedError;
+  return false;
+}
+
 InputAPI::InputAPI(Profile* profile) {
   ExtensionFunctionRegistry* registry =
       ExtensionFunctionRegistry::GetInstance();
   registry->RegisterFunction<InsertTextInputFunction>();
+  registry->RegisterFunction<HideKeyboardFunction>();
 }
 
 InputAPI::~InputAPI() {
 }
 
 static base::LazyInstance<ProfileKeyedAPIFactory<InputAPI> >
 g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
 ProfileKeyedAPIFactory<InputAPI>* InputAPI::GetFactoryInstance() {
   return &g_factory.Get();
 }
 
 }  // namespace extensions