Add chrome.virtualKeyboardPrivate.setHotrodKeyboard api

chrome/browser/extensions/api/virtual_keyboard_private/chrome_virtual_keyboard_delegate.cc

 // Copyright 2014 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/virtual_keyboard_private/chrome_virtual_keyboard_delegate.h"
 
 #include <string>
 
 #include "ash/shell.h"
 #include "base/command_line.h"
@@ skipping 54 matching lines @@
 }
 
 }  // namespace
 
 namespace extensions {
 
 bool ChromeVirtualKeyboardDelegate::GetKeyboardConfig(
     base::DictionaryValue* results) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   results->SetString("layout", keyboard::GetKeyboardLayout());
+  // TODO(bshe): Consolidate a11y, hotrod and normal mode into a mode enum. See
+  // crbug.com/529474.
   results->SetBoolean("a11ymode", keyboard::GetAccessibilityKeyboardEnabled());
+  results->SetBoolean("hotrodmode", keyboard::GetHotrodKeyboardEnabled());
   scoped_ptr<base::ListValue> features(new base::ListValue());
   features->AppendString(GenerateFeatureFlag(
       "floatingvirtualkeyboard", keyboard::IsFloatingVirtualKeyboardEnabled()));
   features->AppendString(
       GenerateFeatureFlag("gesturetyping", keyboard::IsGestureTypingEnabled()));
   features->AppendString(GenerateFeatureFlag(
       "gestureediting", keyboard::IsGestureEditingEnabled()));
   features->AppendString(
       GenerateFeatureFlag("voiceinput", keyboard::IsVoiceInputEnabled()));
   features->AppendString(GenerateFeatureFlag("experimental",
@@ skipping 24 matching lines @@
   return keyboard::InsertText(text);
 }
 
 bool ChromeVirtualKeyboardDelegate::OnKeyboardLoaded() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   keyboard::MarkKeyboardLoadFinished();
   base::UserMetricsAction("VirtualKeyboardLoaded");
   return true;
 }
 
+void ChromeVirtualKeyboardDelegate::SetHotrodKeyboard(bool enable) {
+  if (keyboard::GetHotrodKeyboardEnabled() == enable)
+    return;
+
+  keyboard::SetHotrodKeyboardEnabled(enable);
+  // This reloads virtual keyboard even if it exists. This ensures virtual
+  // keyboard gets the correct state of the hotrod keyboard through
+  // chrome.virtualKeyboardPrivate.getKeyboardConfig.
+  if (enable && keyboard::IsKeyboardEnabled())
+    ash::Shell::GetInstance()->CreateKeyboard();
+}
+
 bool ChromeVirtualKeyboardDelegate::LockKeyboard(bool state) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   keyboard::KeyboardController* controller =
       keyboard::KeyboardController::GetInstance();
   if (!controller)
     return false;
 
   keyboard::KeyboardController::GetInstance()->set_lock_keyboard(state);
   return true;
 }
@@ skipping 50 matching lines @@
 }
 
 bool ChromeVirtualKeyboardDelegate::IsLanguageSettingsEnabled() {
   return (user_manager::UserManager::Get()->IsUserLoggedIn() &&
           !chromeos::UserAddingScreen::Get()->IsRunning() &&
           !(chromeos::ScreenLocker::default_screen_locker() &&
             chromeos::ScreenLocker::default_screen_locker()->locked()));
 }
 
 }  // namespace extensions