[Code cleanup]Remove webui virtual keyboard code

BUG=354657

Review URL: https://codereview.chromium.org/208633002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@259486 0039d316-1c4b-4281-b951-d872f2087c98

19 files changed, 11 insertions, 911 deletions

diff --git a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
index 6328745..abf539f 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -127,8 +127,6 @@
 
 #if defined(USE_AURA)
 #include "chrome/browser/ui/webui/gesture_config_ui.h"
-#include "ui/keyboard/keyboard_constants.h"
-#include "ui/keyboard/keyboard_ui_controller.h"
 #endif
 
 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
@@ -459,8 +457,6 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
 #if defined(USE_AURA)
   if (url.host() == chrome::kChromeUIGestureConfigHost)
     return &NewWebUI<GestureConfigUI>;
-  if (url.host() == keyboard::kKeyboardWebUIHost)
-    return &NewWebUI<keyboard::KeyboardUIController>;
 #endif
 
 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID) && !defined(OS_IOS)
diff --git a/chrome/common/extensions/manifest_url_handler.cc b/chrome/common/extensions/manifest_url_handler.cc
index 08bed8b02c..557c1c2 100644
--- a/chrome/common/extensions/manifest_url_handler.cc
+++ b/chrome/common/extensions/manifest_url_handler.cc
@@ -292,7 +292,7 @@ bool URLOverridesHandler::Parse(Extension* extension, base::string16* error) {
                    page != chrome::kChromeUIActivationMessageHost);
 #endif
 #if defined(OS_CHROMEOS)
-    is_override = (is_override && page != keyboard::kKeyboardWebUIHost);
+    is_override = (is_override && page != keyboard::kKeyboardHost);
 #endif
 
     if (is_override || !iter.value().GetAsString(&val)) {
diff --git a/ui/keyboard/keyboard.cc b/ui/keyboard/keyboard.cc
index d790127..436b935 100644
--- a/ui/keyboard/keyboard.cc
+++ b/ui/keyboard/keyboard.cc
@@ -5,71 +5,14 @@
 #include "ui/keyboard/keyboard.h"
 
 #include "base/files/file_path.h"
-#include "base/memory/singleton.h"
 #include "base/path_service.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/web_ui_controller_factory.h"
 #include "ui/base/resource/resource_bundle.h"
-#include "ui/keyboard/keyboard_constants.h"
-#include "ui/keyboard/keyboard_ui_controller.h"
-#include "url/gurl.h"
-
-namespace {
-
-using content::BrowserContext;
-using content::WebUI;
-using content::WebUIController;
-
-class KeyboardWebUIControllerFactory : public content::WebUIControllerFactory {
- public:
-  // |WebUIControllerFactory| implementation:
-  virtual content::WebUI::TypeID GetWebUIType(
-      content::BrowserContext* browser_context,
-      const GURL& url) const OVERRIDE {
-    if (url == GURL(keyboard::kKeyboardWebUIURL))
-      return const_cast<KeyboardWebUIControllerFactory*>(this);
-
-    return WebUI::kNoWebUI;
-  }
-  virtual bool UseWebUIForURL(content::BrowserContext* browser_context,
-                              const GURL& url) const OVERRIDE {
-    return GetWebUIType(browser_context, url) != WebUI::kNoWebUI;
-  }
-  virtual bool UseWebUIBindingsForURL(content::BrowserContext* browser_context,
-                                      const GURL& url) const OVERRIDE {
-    return UseWebUIForURL(browser_context, url);
-  }
-  virtual content::WebUIController* CreateWebUIControllerForURL(
-      content::WebUI* web_ui,
-      const GURL& url) const OVERRIDE {
-    if (url == GURL(keyboard::kKeyboardWebUIURL))
-      return new keyboard::KeyboardUIController(web_ui);
-    return NULL;
-  }
-
-  static KeyboardWebUIControllerFactory* GetInstance() {
-    return Singleton<KeyboardWebUIControllerFactory>::get();
-  }
-
- protected:
-  KeyboardWebUIControllerFactory() {}
-  virtual ~KeyboardWebUIControllerFactory() {}
-
- private:
-  friend struct DefaultSingletonTraits<KeyboardWebUIControllerFactory>;
-
-  DISALLOW_COPY_AND_ASSIGN(KeyboardWebUIControllerFactory);
-};
-
-}  // namespace
 
 namespace keyboard {
 
 static bool initialized = false;
 
 void ResetKeyboardForTesting() {
-  content::WebUIControllerFactory::UnregisterFactoryForTesting(
-      KeyboardWebUIControllerFactory::GetInstance());
   initialized = false;
 }
 
@@ -84,9 +27,6 @@ void InitializeKeyboard() {
       FILE_PATH_LITERAL("keyboard_resources.pak"));
   ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
       pak_file, ui::SCALE_FACTOR_100P);
-
-  content::WebUIControllerFactory::RegisterFactory(
-      KeyboardWebUIControllerFactory::GetInstance());
 }
 
 }  // namespace keyboard
diff --git a/ui/keyboard/keyboard.gyp b/ui/keyboard/keyboard.gyp
index 27ea38e..fe359c6 100644
--- a/ui/keyboard/keyboard.gyp
+++ b/ui/keyboard/keyboard.gyp
@@ -69,10 +69,6 @@
         'keyboard_export.h',
         'keyboard_switches.cc',
         'keyboard_switches.h',
-        'keyboard_ui_controller.cc',
-        'keyboard_ui_controller.h',
-        'keyboard_ui_handler.cc',
-        'keyboard_ui_handler.h',
         'keyboard_util.cc',
         'keyboard_util.h',
       ]
diff --git a/ui/keyboard/keyboard.h b/ui/keyboard/keyboard.h
index c47cf8c..a0aed8a 100644
--- a/ui/keyboard/keyboard.h
+++ b/ui/keyboard/keyboard.h
@@ -10,9 +10,8 @@
 namespace keyboard {
 
 // Initializes the keyboard module. This includes adding the necessary pak files
-// for loading resources used in for the virtual keyboard, and registers
-// a WebUIControllerFactory for creating a WebUIController necessary for the
-// virtual keyboard. This becomes a no-op after the first call.
+// for loading resources used in for the virtual keyboard. This becomes a no-op
+// after the first call.
 KEYBOARD_EXPORT void InitializeKeyboard();
 
 // Resets the keyboard to an uninitialized state. Required for
diff --git a/ui/keyboard/keyboard_constants.cc b/ui/keyboard/keyboard_constants.cc
index 35f8130..b13a604 100644
--- a/ui/keyboard/keyboard_constants.cc
+++ b/ui/keyboard/keyboard_constants.cc
@@ -6,7 +6,7 @@
 
 namespace keyboard {
 
-const char kKeyboardWebUIURL[] = "chrome://keyboard";
-const char kKeyboardWebUIHost[] = "keyboard";
+const char kKeyboardURL[] = "chrome://keyboard";
+const char kKeyboardHost[] = "keyboard";
 
 }  // namespace keyboard
diff --git a/ui/keyboard/keyboard_constants.h b/ui/keyboard/keyboard_constants.h
index eff96ea..75607c1 100644
--- a/ui/keyboard/keyboard_constants.h
+++ b/ui/keyboard/keyboard_constants.h
@@ -9,11 +9,11 @@
 
 namespace keyboard {
 
-// The URL of the keyboard WebUI.
-KEYBOARD_EXPORT extern const char kKeyboardWebUIURL[];
+// The URL of the keyboard extension.
+KEYBOARD_EXPORT extern const char kKeyboardURL[];
 
-// The host of the keyboard WebUI URL.
-KEYBOARD_EXPORT extern const char kKeyboardWebUIHost[];
+// The host of the keyboard extension URL.
+KEYBOARD_EXPORT extern const char kKeyboardHost[];
 
 }  // namespace keyboard
 
diff --git a/ui/keyboard/keyboard_controller_proxy.cc b/ui/keyboard/keyboard_controller_proxy.cc
index b17c6b7..acd78f8 100644
--- a/ui/keyboard/keyboard_controller_proxy.cc
+++ b/ui/keyboard/keyboard_controller_proxy.cc
@@ -22,39 +22,6 @@
 
 namespace {
 
-// Converts ui::TextInputType to string.
-std::string TextInputTypeToString(ui::TextInputType type) {
-  switch (type) {
-    case ui::TEXT_INPUT_TYPE_NONE:
-      return "none";
-    case ui::TEXT_INPUT_TYPE_PASSWORD:
-      return "password";
-    case ui::TEXT_INPUT_TYPE_EMAIL:
-      return "email";
-    case ui::TEXT_INPUT_TYPE_NUMBER:
-      return "number";
-    case ui::TEXT_INPUT_TYPE_TELEPHONE:
-      return "tel";
-    case ui::TEXT_INPUT_TYPE_URL:
-      return "url";
-    case ui::TEXT_INPUT_TYPE_DATE:
-      return "date";
-    case ui::TEXT_INPUT_TYPE_TEXT:
-    case ui::TEXT_INPUT_TYPE_SEARCH:
-    case ui::TEXT_INPUT_TYPE_DATE_TIME:
-    case ui::TEXT_INPUT_TYPE_DATE_TIME_LOCAL:
-    case ui::TEXT_INPUT_TYPE_MONTH:
-    case ui::TEXT_INPUT_TYPE_TIME:
-    case ui::TEXT_INPUT_TYPE_WEEK:
-    case ui::TEXT_INPUT_TYPE_TEXT_AREA:
-    case ui::TEXT_INPUT_TYPE_CONTENT_EDITABLE:
-    case ui::TEXT_INPUT_TYPE_DATE_TIME_FIELD:
-      return "text";
-  }
-  NOTREACHED();
-  return "";
-}
-
 // The WebContentsDelegate for the keyboard.
 // The delegate deletes itself when the keyboard is destroyed.
 class KeyboardContentsDelegate : public content::WebContentsDelegate,
@@ -114,7 +81,7 @@ class KeyboardContentsDelegate : public content::WebContentsDelegate,
 namespace keyboard {
 
 KeyboardControllerProxy::KeyboardControllerProxy()
-    : default_url_(kKeyboardWebUIURL), resizing_from_contents_(false) {
+    : default_url_(kKeyboardURL), resizing_from_contents_(false) {
 }
 
 KeyboardControllerProxy::~KeyboardControllerProxy() {
@@ -171,17 +138,6 @@ void KeyboardControllerProxy::HideKeyboardContainer(aura::Window* container) {
 }
 
 void KeyboardControllerProxy::SetUpdateInputType(ui::TextInputType type) {
-  content::WebUI* webui = keyboard_contents_ ?
-      keyboard_contents_->GetCommittedWebUI() : NULL;
-
-  if (webui &&
-      (0 != (webui->GetBindings() & content::BINDINGS_POLICY_WEB_UI))) {
-    // Only call OnTextInputBoxFocused function if it is a web ui keyboard,
-    // not an extension based keyboard.
-    base::DictionaryValue input_context;
-    input_context.SetString("type", TextInputTypeToString(type));
-    webui->CallJavascriptFunction("OnTextInputBoxFocused", input_context);
-  }
 }
 
 void KeyboardControllerProxy::EnsureCaretInWorkArea() {
diff --git a/ui/keyboard/keyboard_controller_proxy.h b/ui/keyboard/keyboard_controller_proxy.h
index 35af78c..8f48c0c 100644
--- a/ui/keyboard/keyboard_controller_proxy.h
+++ b/ui/keyboard/keyboard_controller_proxy.h
@@ -70,9 +70,7 @@ class KEYBOARD_EXPORT KeyboardControllerProxy {
   // necesasry animation, or delay the visibility change as it desires.
   virtual void HideKeyboardContainer(aura::Window* container);
 
-  // Updates the type of the focused text input box. The default implementation
-  // calls OnTextInputBoxFocused javascript function through webui to update the
-  // type the of focused input box.
+  // Updates the type of the focused text input box.
   virtual void SetUpdateInputType(ui::TextInputType type);
 
   // Ensures caret in current work area (not occluded by virtual keyboard
diff --git a/ui/keyboard/keyboard_resources.grd b/ui/keyboard/keyboard_resources.grd
index 7a76aef..9aec103 100644
--- a/ui/keyboard/keyboard_resources.grd
+++ b/ui/keyboard/keyboard_resources.grd
@@ -55,11 +55,6 @@
       <include name="IDR_KEYBOARD_SOUNDS_KEYPRESS_SPACEBAR" file="resources/sounds/keypress-spacebar.wav" type="BINDATA" />
       <include name="IDR_KEYBOARD_SOUNDS_KEYPRESS_STANDARD" file="resources/sounds/keypress-standard.wav" type="BINDATA" />
       <include name="IDR_KEYBOARD_SPACEBAR_ROW" file="resources/layouts/spacebar-row.html" type="BINDATA" />
-      <include name="IDR_KEYBOARD_WEBUI_INDEX" file="resources/webui_index.html" allowexternalscript="true" type="BINDATA" />
-      <include name="IDR_KEYBOARD_WEBUI_API_ADAPTER_JS" file="resources/webui/api_adapter.js" type="BINDATA" />
-      <include name="IDR_KEYBOARD_WEBUI_CONSTANTS_JS" file="resources/webui/constants.js" type="BINDATA" />
-      <include name="IDR_KEYBOARD_WEBUI_MAIN_CSS" file="resources/webui/main.css" type="BINDATA" />
-      <include name="IDR_KEYBOARD_WEBUI_QWERTY" file="resources/layouts/webui_qwerty.html" type="BINDATA" />
     </includes>
   </release>
 </grit>
diff --git a/ui/keyboard/keyboard_ui_controller.cc b/ui/keyboard/keyboard_ui_controller.cc
deleted file mode 100644
index a8af676..0000000
--- a/ui/keyboard/keyboard_ui_controller.cc
+++ /dev/null
@@ -1,110 +0,0 @@
-// Copyright (c) 2013 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 "ui/keyboard/keyboard_ui_controller.h"
-
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_ui.h"
-#include "content/public/browser/web_ui_data_source.h"
-#include "grit/keyboard_resources.h"
-#include "ui/keyboard/keyboard_constants.h"
-#include "ui/keyboard/keyboard_ui_handler.h"
-
-namespace {
-
-content::WebUIDataSource* CreateKeyboardUIDataSource() {
-  content::WebUIDataSource* source =
-      content::WebUIDataSource::Create(keyboard::kKeyboardWebUIHost);
-
-  source->SetDefaultResource(IDR_KEYBOARD_WEBUI_INDEX);
-  source->AddResourcePath("images/back.svg",
-                          IDR_KEYBOARD_IMAGES_BACK);
-  source->AddResourcePath("images/backspace.svg",
-                          IDR_KEYBOARD_IMAGES_BACKSPACE);
-  source->AddResourcePath("images/brightness-down.svg",
-                          IDR_KEYBOARD_IMAGES_BRIGHTNESS_DOWN);
-  source->AddResourcePath("images/brightness-up.svg",
-                          IDR_KEYBOARD_IMAGES_BRIGHTNESS_UP);
-  source->AddResourcePath("images/change-window.svg",
-                          IDR_KEYBOARD_IMAGES_CHANGE_WINDOW);
-  source->AddResourcePath("images/down.svg",
-                          IDR_KEYBOARD_IMAGES_DOWN);
-  source->AddResourcePath("images/forward.svg",
-                          IDR_KEYBOARD_IMAGES_FORWARD);
-  source->AddResourcePath("images/fullscreen.svg",
-                          IDR_KEYBOARD_IMAGES_FULLSCREEN);
-  source->AddResourcePath("images/hide-keyboard.svg",
-                          IDR_KEYBOARD_IMAGES_HIDE_KEYBOARD);
-  source->AddResourcePath("images/left.svg",
-                          IDR_KEYBOARD_IMAGES_LEFT);
-  source->AddResourcePath("images/microphone.svg",
-                          IDR_KEYBOARD_IMAGES_MICROPHONE);
-  source->AddResourcePath("images/microphone-green.svg",
-                          IDR_KEYBOARD_IMAGES_MICROPHONE_GREEN);
-  source->AddResourcePath("images/mute.svg",
-                          IDR_KEYBOARD_IMAGES_MUTE);
-  source->AddResourcePath("images/reload.svg",
-                          IDR_KEYBOARD_IMAGES_RELOAD);
-  source->AddResourcePath("images/return.svg",
-                          IDR_KEYBOARD_IMAGES_RETURN);
-  source->AddResourcePath("images/right.svg",
-                          IDR_KEYBOARD_IMAGES_RIGHT);
-  source->AddResourcePath("images/search.svg",
-                          IDR_KEYBOARD_IMAGES_SEARCH);
-  source->AddResourcePath("images/shift.svg",
-                          IDR_KEYBOARD_IMAGES_SHIFT);
-  source->AddResourcePath("images/shift-filled.svg",
-                          IDR_KEYBOARD_IMAGES_SHIFT_FILLED);
-  source->AddResourcePath("images/shutdown.svg",
-                          IDR_KEYBOARD_IMAGES_SHUTDOWN);
-  source->AddResourcePath("images/tab.svg",
-                          IDR_KEYBOARD_IMAGES_TAB);
-  source->AddResourcePath("images/up.svg",
-                          IDR_KEYBOARD_IMAGES_UP);
-  source->AddResourcePath("images/volume-down.svg",
-                          IDR_KEYBOARD_IMAGES_VOLUME_DOWN);
-  source->AddResourcePath("images/volume-up.svg",
-                          IDR_KEYBOARD_IMAGES_VOLUME_UP);
-  source->AddResourcePath("keyboard.js", IDR_KEYBOARD_JS);
-  source->AddResourcePath("layouts/numeric.html", IDR_KEYBOARD_LAYOUTS_NUMERIC);
-  source->AddResourcePath("layouts/system-qwerty.html",
-                          IDR_KEYBOARD_LAYOUTS_SYSTEM_QWERTY);
-  source->AddResourcePath("polymer_loader.js", IDR_KEYBOARD_POLYMER_LOADER);
-  source->AddResourcePath("roboto_bold.ttf", IDR_KEYBOARD_ROBOTO_BOLD_TTF);
-  source->AddResourcePath("sounds/keypress-delete.wav",
-                          IDR_KEYBOARD_SOUNDS_KEYPRESS_DELETE);
-  source->AddResourcePath("sounds/keypress-return.wav",
-                          IDR_KEYBOARD_SOUNDS_KEYPRESS_RETURN);
-  source->AddResourcePath("sounds/keypress-spacebar.wav",
-                          IDR_KEYBOARD_SOUNDS_KEYPRESS_SPACEBAR);
-  source->AddResourcePath("sounds/keypress-standard.wav",
-                          IDR_KEYBOARD_SOUNDS_KEYPRESS_STANDARD);
-
-  // These files are specific to the WebUI version
-  source->AddResourcePath("api_adapter.js", IDR_KEYBOARD_WEBUI_API_ADAPTER_JS);
-  source->AddResourcePath("constants.js", IDR_KEYBOARD_WEBUI_CONSTANTS_JS);
-  source->AddResourcePath("layouts/qwerty.html", IDR_KEYBOARD_WEBUI_QWERTY);
-  source->AddResourcePath("main.css", IDR_KEYBOARD_WEBUI_MAIN_CSS);
-
-  return source;
-}
-
-}  // namespace
-
-namespace keyboard {
-
-KeyboardUIController::KeyboardUIController(content::WebUI* web_ui)
-    : WebUIController(web_ui) {
-  content::BrowserContext* browser_context =
-      web_ui->GetWebContents()->GetBrowserContext();
-  web_ui->AddMessageHandler(new KeyboardUIHandler());
-  content::WebUIDataSource::Add(
-      browser_context,
-      CreateKeyboardUIDataSource());
-}
-
-KeyboardUIController::~KeyboardUIController() {}
-
-}  // namespace keyboard
diff --git a/ui/keyboard/keyboard_ui_controller.h b/ui/keyboard/keyboard_ui_controller.h
deleted file mode 100644
index b06ec26..0000000
--- a/ui/keyboard/keyboard_ui_controller.h
+++ /dev/null
@@ -1,29 +0,0 @@
-// Copyright (c) 2013 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.
-
-#ifndef UI_KEYBOARD_KEYBOARD_UI_CONTROLLER_H_
-#define UI_KEYBOARD_KEYBOARD_UI_CONTROLLER_H_
-
-#include "content/public/browser/web_ui_controller.h"
-#include "ui/keyboard/keyboard_export.h"
-
-namespace content {
-class WebUI;
-};
-
-namespace keyboard {
-
-// WebUIController for chrome://keyboard/.
-class KEYBOARD_EXPORT KeyboardUIController : public content::WebUIController {
- public:
-  explicit KeyboardUIController(content::WebUI* web_ui);
-  virtual ~KeyboardUIController();
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(KeyboardUIController);
-};
-
-}  // namespace keyboard
-
-#endif  // UI_KEYBOARD_KEYBOARD_UI_CONTROLLER_H_
diff --git a/ui/keyboard/keyboard_ui_handler.cc b/ui/keyboard/keyboard_ui_handler.cc
deleted file mode 100644
index 88f4751..0000000
--- a/ui/keyboard/keyboard_ui_handler.cc
+++ /dev/null
@@ -1,142 +0,0 @@
-// Copyright (c) 2013 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 "ui/keyboard/keyboard_ui_handler.h"
-
-#include <string>
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/values.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_view.h"
-#include "content/public/browser/web_ui.h"
-#include "ui/aura/client/aura_constants.h"
-#include "ui/aura/window.h"
-#include "ui/aura/window_tree_host.h"
-#include "ui/base/ime/input_method.h"
-#include "ui/base/ime/text_input_client.h"
-#include "ui/keyboard/keyboard_controller.h"
-#include "ui/keyboard/keyboard_util.h"
-
-namespace keyboard {
-
-KeyboardUIHandler::KeyboardUIHandler() {
-}
-
-KeyboardUIHandler::~KeyboardUIHandler() {
-}
-
-void KeyboardUIHandler::RegisterMessages() {
-  web_ui()->RegisterMessageCallback(
-      "insertText",
-      base::Bind(&KeyboardUIHandler::HandleInsertTextMessage,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback(
-      "getInputContext",
-      base::Bind(&KeyboardUIHandler::HandleGetInputContextMessage,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback(
-      "sendKeyEvent",
-      base::Bind(&KeyboardUIHandler::HandleSendKeyEventMessage,
-                 base::Unretained(this)));
-  web_ui()->RegisterMessageCallback(
-      "hideKeyboard",
-      base::Bind(&KeyboardUIHandler::HandleHideKeyboard,
-                 base::Unretained(this)));
-}
-
-void KeyboardUIHandler::HandleInsertTextMessage(const base::ListValue* args) {
-  base::string16 text;
-  if (!args->GetString(0, &text)) {
-    LOG(ERROR) << "insertText failed: bad argument";
-    return;
-  }
-
-  aura::Window* root_window =
-      web_ui()->GetWebContents()->GetView()->GetNativeView()->GetRootWindow();
-  if (!root_window) {
-    LOG(ERROR) << "insertText failed: no root window";
-    return;
-  }
-
-  if (!keyboard::InsertText(text, root_window))
-    LOG(ERROR) << "insertText failed";
-}
-
-void KeyboardUIHandler::HandleGetInputContextMessage(
-    const base::ListValue* args) {
-  int request_id;
-  if (!args->GetInteger(0, &request_id)) {
-    LOG(ERROR) << "getInputContext failed: bad argument";
-    return;
-  }
-  base::DictionaryValue results;
-  results.SetInteger("requestId", request_id);
-
-  aura::Window* root_window =
-      web_ui()->GetWebContents()->GetView()->GetNativeView()->GetRootWindow();
-  if (!root_window) {
-    LOG(ERROR) << "getInputContext failed: no root window";
-    return;
-  }
-  ui::InputMethod* input_method =
-      root_window->GetProperty(aura::client::kRootWindowInputMethodKey);
-  if (!input_method) {
-    LOG(ERROR) << "getInputContext failed: no input method";
-    return;
-  }
-
-  ui::TextInputClient* tic = input_method->GetTextInputClient();
-  results.SetInteger("type",
-                     tic ? tic->GetTextInputType() : ui::TEXT_INPUT_TYPE_NONE);
-
-  web_ui()->CallJavascriptFunction("GetInputContextCallback",
-                                   results);
-}
-
-void KeyboardUIHandler::HandleSendKeyEventMessage(
-    const base::ListValue* args) {
-  const base::DictionaryValue* params = NULL;
-  std::string type;
-  int char_value;
-  int key_code;
-  std::string key_name;
-  int modifiers;
-
-  if (!args->GetDictionary(0, &params) ||
-      !params->GetString("type", &type) ||
-      !params->GetInteger("charValue", &char_value) ||
-      !params->GetInteger("keyCode", &key_code) ||
-      !params->GetString("keyName", &key_name) ||
-      !params->GetInteger("modifiers", &modifiers)) {
-    LOG(ERROR) << "SendKeyEvent failed: bad argument";
-    return;
-  }
-
-  aura::WindowTreeHost* host =
-      web_ui()->GetWebContents()->GetView()->GetNativeView()->GetHost();
-  if (!host) {
-    LOG(ERROR) << "sendKeyEvent failed: no dispatcher";
-    return;
-  }
-
-  if (!keyboard::SendKeyEvent(type,
-                              char_value,
-                              key_code,
-                              key_name,
-                              modifiers,
-                              host)) {
-    LOG(ERROR) << "sendKeyEvent failed";
-  }
-}
-
-void KeyboardUIHandler::HandleHideKeyboard(const base::ListValue* args) {
-  // TODO(stevet): Call into the keyboard controller to hide the keyboard
-  // directly.
-  NOTIMPLEMENTED();
-  return;
-}
-
-}  // namespace keyboard
diff --git a/ui/keyboard/keyboard_ui_handler.h b/ui/keyboard/keyboard_ui_handler.h
deleted file mode 100644
index 3c14f74..0000000
--- a/ui/keyboard/keyboard_ui_handler.h
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright (c) 2013 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.
-
-#ifndef UI_KEYBOARD_KEYBOARD_UI_HANDLER_H_
-#define UI_KEYBOARD_KEYBOARD_UI_HANDLER_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "content/public/browser/web_ui_message_handler.h"
-
-namespace keyboard {
-
-// The WebUI handler for chrome://keyboard.  Inserts text into the currently
-// focused TextInputClient.
-class KeyboardUIHandler : public content::WebUIMessageHandler {
- public:
-  KeyboardUIHandler();
-  virtual ~KeyboardUIHandler();
-
- private:
-  // |content::WebUIMessageHandler| implementation:
-  virtual void RegisterMessages() OVERRIDE;
-
-  // Callback for the "insertText" message.
-  void HandleInsertTextMessage(const base::ListValue* args);
-
-  // Callback for the "getInputContext" message. The first element in
-  // |args| should be an integer representing request ID.
-  void HandleGetInputContextMessage(const base::ListValue* args);
-
-  // Callback for the "sendKeyEvent" message. The first element in |args| is a
-  // dictionary containing an event type, the character being pressed or
-  // released, a virtual key code, and the state of the shift key.
-  void HandleSendKeyEventMessage(const base::ListValue* args);
-
-  // Callback for the "hideKeyboard" message.
-  void HandleHideKeyboard(const base::ListValue* args);
-
-  DISALLOW_COPY_AND_ASSIGN(KeyboardUIHandler);
-};
-
-}  // namespace keyboard
-
-#endif  // UI_KEYBOARD_KEYBOARD_UI_HANDLER_H_
diff --git a/ui/keyboard/resources/layouts/webui_qwerty.html b/ui/keyboard/resources/layouts/webui_qwerty.html
deleted file mode 100644
index 2763307..0000000
--- a/ui/keyboard/resources/layouts/webui_qwerty.html
+++ /dev/null
@@ -1,122 +0,0 @@
-<!--
-  -- Copyright 2013 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.
-  -->
-
-<template>
-  <kb-keyset id="qwerty-upper">
-    <kb-row class="top">
-      <kb-key>Q</kb-key><kb-key>W</kb-key><kb-key>E</kb-key><kb-key>R</kb-key>
-      <kb-key>T</kb-key><kb-key>Y</kb-key><kb-key>U</kb-key>
-      <kb-key>I</kb-key><kb-key>O</kb-key><kb-key>P</kb-key>
-    </kb-row>
-    <kb-row>
-      <div class="half-key-spacer"></div>
-      <kb-key>A</kb-key><kb-key>S</kb-key><kb-key>D</kb-key><kb-key>F</kb-key>
-      <kb-key>G</kb-key><kb-key>H</kb-key><kb-key>J</kb-key><kb-key>K</kb-key>
-      <kb-key>L</kb-key>
-      <div class="half-key-spacer"></div>
-    </kb-row>
-    <kb-row>
-      <kb-shift-key class="padded-left-special" weight="1.4">shift</kb-shift-key>
-      <kb-key>Z</kb-key><kb-key>X</kb-key><kb-key>C</kb-key><kb-key>V</kb-key>
-      <kb-key>B</kb-key><kb-key>N</kb-key><kb-key>M</kb-key>
-      <kb-key class="backspace padded-right-special dark" char="&#x0008;" repeat>delete</kb-key>
-    </kb-row>
-    <kb-row>
-      <kb-key class="symbol dark" toKeyset="down:symbol" char="Invalid">?123</kb-key>
-      <kb-key class="microphone dark" char="Microphone"></kb-key>
-      <kb-key class="dark">,</kb-key>
-      <kb-key class="space dark" char=" "></kb-key>
-      <kb-key class="dark">.</kb-key>
-      <kb-key class="return dark" char="&#000A;">enter</kb-key>
-    </kb-row>
-    <kb-altkey-container hidden>
-    </kb-altkey-container>
-  </kb-keyset>
-
-  <kb-keyset id="qwerty-lower" isDefault=true>
-    <kb-row class="top">
-      <kb-key>q</kb-key><kb-key>w</kb-key><kb-key>e</kb-key><kb-key>r</kb-key>
-      <kb-key>t</kb-key><kb-key>y</kb-key><kb-key>u</kb-key>
-      <kb-key>i</kb-key><kb-key>o</kb-key><kb-key>p</kb-key>
-    </kb-row>
-    <kb-row>
-      <div class="half-key-spacer"></div>
-      <kb-key>a</kb-key><kb-key>s</kb-key><kb-key>d</kb-key><kb-key>f</kb-key>
-      <kb-key>g</kb-key><kb-key>h</kb-key><kb-key>j</kb-key><kb-key>k</kb-key>
-      <kb-key>l</kb-key>
-      <div class="half-key-spacer"></div>
-    </kb-row>
-    <kb-row>
-      <kb-shift-key class="padded-left-special" weight="1.4">shift</kb-shift-key>
-      <kb-key>z</kb-key><kb-key>x</kb-key><kb-key>c</kb-key><kb-key>v</kb-key>
-      <kb-key>b</kb-key><kb-key>n</kb-key><kb-key>m</kb-key>
-      <kb-key class="backspace padded-right-special dark" char="&#x0008;" repeat>delete</kb-key>
-    </kb-row>
-    <kb-row>
-      <kb-key class="symbol dark" toKeyset="down:symbol" char="Invalid">?123</kb-key>
-      <kb-key class="microphone dark" char="Microphone"></kb-key>
-      <kb-key class="dark">,</kb-key>
-      <kb-key class="space dark" char=" "></kb-key>
-      <kb-key class="dark">.</kb-key>
-      <kb-key class='return dark' char="&#x000A;">enter</kb-key>
-    </kb-row>
-    <kb-altkey-container hidden>
-    </kb-altkey-container>
-  </kb-keyset>
-
-  <kb-keyset id="qwerty-symbol">
-    <kb-row class="top">
-      <kb-key>1</kb-key><kb-key>2</kb-key><kb-key>3</kb-key><kb-key>4</kb-key>
-      <kb-key>5</kb-key><kb-key>6</kb-key><kb-key>7</kb-key><kb-key>8</kb-key>
-      <kb-key>9</kb-key><kb-key>0</kb-key>
-    </kb-row>
-    <kb-row>
-      <kb-key>@</kb-key><kb-key>$</kb-key><kb-key>&</kb-key><kb-key>:</kb-key><kb-key>;</kb-key>
-      <kb-key>/</kb-key><kb-key>(</kb-key><kb-key>)</kb-key>
-    </kb-row>
-    <kb-row>
-      <kb-key class="left-more padded-left-special dark" toKeyset="down:more" char="Invalid">more</kb-key>
-      <kb-key>"</kb-key><kb-key>'</kb-key><kb-key>-</kb-key>
-      <kb-key>+</kb-key><kb-key>!</kb-key><kb-key>?</kb-key>
-      <kb-key class="backspace padded-right-special dark" char="&#x0008;" repeat>delete</kb-key>
-    </kb-row>
-    <kb-row>
-      <kb-abc-key>abc</kb-abc-key>
-      <kb-key class="microphone dark" char="Microphone"></kb-key>
-      <kb-key class="dark">,</kb-key>
-      <kb-key class="space dark" char=" "></kb-key>
-      <kb-key class="dark">.</kb-key>
-      <kb-key class='return dark' char="&#x000A;">enter</kb-key>
-    </kb-row>
-  </kb-keyset>
-
-  <kb-keyset id="qwerty-more">
-    <kb-row class="top">
-      <kb-key>&#x20AC;</kb-key><kb-key>&#x00A3;</kb-key><kb-key>&#x00A2;</kb-key>
-      <kb-key>&#x2022;</kb-key><kb-key>&#x00B6;</kb-key><kb-key>|</kb-key>
-      <kb-key>{</kb-key><kb-key>}</kb-key>
-    </kb-row>
-    <kb-row>
-      <kb-key class="tab padded-left-special dark" char="&#x0009;">tab</kb-key>
-      <kb-key>#</kb-key><kb-key>%</kb-key><kb-key>^</kb-key><kb-key>*</kb-key>
-      <kb-key>\</kb-key><kb-key>&#x003C;</kb-key><kb-key>&#x003E;</kb-key>
-    </kb-row>
-    <kb-row>
-      <kb-key class="left-more padded-left-special dark" toKeyset="down:symbol" char="Invalid">?123</kb-key>
-      <kb-key>`</kb-key><kb-key>~</kb-key><kb-key>_</kb-key><kb-key>=</kb-key>
-      <kb-key>[</kb-key><kb-key>]</kb-key>
-      <kb-key class="backspace padded-right-special dark" char="&#x0008;" repeat>delete</kb-key>
-    </kb-row>
-    <kb-row>
-      <kb-abc-key>abc</kb-abc-key>
-      <kb-key class="microphone dark" char="Microphone"></kb-key>
-      <kb-key class="dark">,</kb-key>
-      <kb-key class="space dark" char=" "></kb-key>
-      <kb-key class="dark">.</kb-key>
-      <kb-key class='return dark' char="&#x000A;">enter</kb-key>
-    </kb-row>
-  </kb-keyset>
-</template>
diff --git a/ui/keyboard/resources/webui/api_adapter.js b/ui/keyboard/resources/webui/api_adapter.js
deleted file mode 100644
index 206f60d..0000000
--- a/ui/keyboard/resources/webui/api_adapter.js
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright (c) 2013 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.
-
-function insertText(text) {
-  chrome.send('insertText', [ text ]);
-}
-
-function sendKeyEvent(event) {
-  chrome.send('sendKeyEvent', [ event ]);
-}
-
-function hideKeyboard() {
-  chrome.send('hideKeyboard');
-}
-
-function keyboardLoaded() {
-  chrome.send('keyboardLoaded');
-}
-
-(function(exports) {
-  /**
-   * An array to save callbacks of each request.
-   * @type {Array.<function(Object)>}
-   */
-  var requestIdCallbackMap = [];
-
-  /**
-   * An incremental integer that represents a unique requestId.
-   * @type {number}
-   */
-  var requestId = 0;
-
-  /**
-   * Called when a text input box gets focus.
-   * @param {object} inputContext Describes an input context. It only contains
-   *     the type of text input box at present and only "password", "number" and
-   *     "text" are supported.
-   */
-  function OnTextInputBoxFocused(inputContext) {
-    // Do not want to use the system keyboard for passwords in webui.
-    if (inputContext.type == 'password')
-      inputContext.type = 'text';
-    keyboard.inputTypeValue = inputContext.type;
-  }
-
-  /**
-   * Gets the context of the focused input field. The context is returned as a
-   * paramter in the |callback|.
-   * @param {function(Object)} callback The callback function after the webui
-   *     function finished.
-   * @return {number} The ID of the new request.
-   */
-  function GetInputContext(callback) {
-    var id = requestId;
-    requestIdCallbackMap[id] = callback;
-    chrome.send('getInputContext', [ id ]);
-    requestId++;
-    return id;
-  }
-
-  /**
-   * Cancel the callback specified by requestId.
-   * @param {number} requestId The requestId of the callback that about to
-   *     cancel.
-   */
-  function CancelRequest(requestId) {
-    requestIdCallbackMap[requestId] = undefined;
-  }
-
-  /**
-   * Webui function callback. Any call to chrome.send('getInputContext', [id])
-   * should trigger this function being called with the parameter
-   * inputContext.requestId == id.
-   * @param {Object} inputContext The context of focused input field. Note we
-   *     only have type(input box type) and requestId fields now.
-   */
-  function GetInputContextCallback(inputContext) {
-    var requestId = inputContext.requestId;
-    if (!requestIdCallbackMap[requestId])
-      return;
-    requestIdCallbackMap[requestId](inputContext);
-  }
-
-  exports.OnTextInputBoxFocused = OnTextInputBoxFocused;
-  exports.getInputContext = GetInputContext;
-  exports.cancelRequest = CancelRequest;
-  exports.GetInputContextCallback = GetInputContextCallback;
-})(this);
diff --git a/ui/keyboard/resources/webui/constants.js b/ui/keyboard/resources/webui/constants.js
deleted file mode 100644
index 94ccfb2..0000000
--- a/ui/keyboard/resources/webui/constants.js
+++ /dev/null
@@ -1,26 +0,0 @@
-// 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.
-
-
-/**
- * Aspect ratio of keyboard.
- * @type {number}
- */
-var ASPECT_RATIO = 2.0;
-
-/**
- * Ratio of key height and font size.
- * @type {number}
- */
-var FONT_SIZE_RATIO = 2;
-
-/**
- * The number of rows in each keyset.
- * @type {number}
- */
-// TODO(bshe): The number of rows should equal to the number of kb-row elements
-// in kb-keyset. Remove this variable once figure out how to calculate the
-// number from keysets.
-
-var ROW_LENGTH = 4;
diff --git a/ui/keyboard/resources/webui/main.css b/ui/keyboard/resources/webui/main.css
deleted file mode 100644
index e14611d3..0000000
--- a/ui/keyboard/resources/webui/main.css
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- Copyright (c) 2013 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.
-*/
-
-body {
-  -webkit-box-pack: center;
-  -webkit-user-select: none;
-  background-color: #0b0b0b;
-  display: -webkit-box;
-  margin: 0;
-  overflow: hidden;
-  padding: 0;
-}
-
-kb-keyboard {
-  -webkit-box-orient: vertical;
-  display: -webkit-box;
-}
-
-kb-abc-key,
-kb-shift-key,
-kb-key {
-  background-color: #3b3b3e;
-  background-position: center center;
-  background-repeat: no-repeat;
-  background-size: contain;
-  border-top: 2px solid #4b4b4e;
-  border-radius: 1px;
-  color: #ffffff;
-  display: -webkit-box;
-  font-family: 'Open Sans', sans-serif;
-  font-weight: 600;
-  margin-left: 0.2em;
-  position: relative;
-}
-
-kb-abc-key::x-key,
-kb-shift-key::x-key,
-kb-key::x-key {
-  bottom: 0;
-  height: 1.2em;
-  left: 0;
-  margin: auto;
-  padding-left: 0.5em;
-  padding-right: 0.5em;
-  position: absolute;
-  right: 0;
-  top: 0;
-}
-
-kb-key::x-hinttext {
-  color: #7c7c7c;
-  font-size: 70%;
-  position: absolute;
-  right: 7%;
-  top: 5%;
-}
-
-kb-key::x-key[inverted] {
-  color: #7c7c7c;
-}
-
-kb-key::x-hinttext[inverted] {
-  color: #ffffff;
-}
-
-kb-abc-key.dark,
-kb-shift-key.dark,
-kb-key.dark {
-  background-color: #2a2a2c;
-  border-top: 2px solid #3a3a3c;
-}
-
-kb-altkey::x-key {
-  bottom: 0;
-  height: 1.2em;
-  left: 0;
-  margin: auto;
-  position: absolute;
-  right: 0;
-  top: 0;
-  text-align: center;
-}
-
-/* Left and right-side special keys with a character letter next to them need
- * additional padding.
- * */
-kb-abc-key.padded-left-special,
-kb-shift-key.padded-left-special,
-kb-key.padded-left-special {
-  margin-right: 2px;
-}
-
-kb-abc-key.padded-right-special,
-kb-shift-key.padded-right-special,
-kb-key.padded-right-special {
-  margin-left: 5px;
-}
-
-kb-row.top {
-  margin-top: 5px !important;
-}
-
-.active {
-  background-color: #848490 !important;
-  border-top: 2px solid #A9A9AF !important;
-  /* Do not use box shadow until performance improves
-   * http://code.google.com/p/chromium/issues/detail?id=99045
-   * box-shadow: 0px 0px 15px #fff;
-   * */
-}
-
-.at,
-.com,
-.comma,
-.hide,
-.microphone,
-.period,
-.tab {
-  -webkit-box-flex: 1.3 !important;
-}
-
-.symbol,
-.return {
-  -webkit-box-flex: 1.5 !important;
-}
-
-.backspace {
-  -webkit-box-flex: 1.7 !important;
-}
-
-.left-more {
-  -webkit-box-flex: 1.4 !important;
-}
-
-.right-more {
-  -webkit-box-flex: 1.6 !important;
-}
-
-.space {
-  -webkit-box-flex: 4.8 !important;
-}
-
-.bar {
-  -webkit-box-flex: 0.6 !important;
-}
-
-.backspace,
-.tab,
-.return,
-.shift,
-.left-more,
-.right-more,
-.symbol {
-  font-size: 55%;
-  font-weight: 200;
-}
-
-.microphone {
-  background-image: url('images/microphone.svg');
-}
-
-.audio .microphone {
-  background-image: url('images/microphone-green.svg');
-}
-
-.half-key-spacer {
-  -webkit-box-flex: 0.5;
-  margin-left: 4px;
-}
diff --git a/ui/keyboard/resources/webui_index.html b/ui/keyboard/resources/webui_index.html
deleted file mode 100644
index bdc8116..0000000
--- a/ui/keyboard/resources/webui_index.html
+++ /dev/null
@@ -1,45 +0,0 @@
-<!DOCTYPE HTML>
-<!--
-  -- Copyright 2013 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.
-  -->
-
-<!--
-  -- To avoid unintentionally break webui keyboard when changing extension
-  -- keyboard, creates this file and uses it as index.html for webui keyboard.
-  -- TODO(bshe): remove this file when dynamic layout loading is fixed
-  -- (http://www.crbug.com/260278).
-  -->
-
-<html>
-  <head>
-    <meta charset="UTF-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
-    <link rel="stylesheet" href="main.css">
-    <script src="constants.js"></script>
-    <script src="polymer_loader.js"></script>
-    <script src="api_adapter.js"></script>
-    <script src="voice_input.js"></script>
-    <link rel="import" href="elements/kb-altkey.html">
-    <link rel="import" href="elements/kb-altkey-container.html">
-    <link rel="import" href="elements/kb-altkey-data.html">
-    <link rel="import" href="elements/kb-altkey-set.html">
-    <link rel="import" href="elements/kb-key-codes.html">
-    <link rel="import" href="elements/kb-key-base.html">
-    <link rel="import" href="elements/kb-key.html">
-    <link rel="import" href="elements/kb-keyboard.html">
-    <link rel="import" href="elements/kb-keyset.html">
-    <link rel="import" href="elements/kb-row.html">
-    <link rel="import" href="elements/kb-shift-key.html">
-    <link id="numeric" rel="import" href="layouts/numeric.html">
-    <link id="qwerty" rel="import" href="layouts/qwerty.html">
-    <!--TODO(stevet): Import 'Open Sans' font. -->
-    <script src="main.js"></script>
-    <script src="layouts/latin-accents.js"></script>
-  </head>
-  <body>
-    <kb-keyboard id="keyboard" touch-action="none" layout="qwerty">
-    </kb-keyboard>
-  </body>
-</html>