[Code cleanup]Remove webui virtual keyboard code

ui/keyboard/keyboard_ui_handler.cc

Index: ui/keyboard/keyboard_ui_handler.cc
diff --git a/ui/keyboard/keyboard_ui_handler.cc b/ui/keyboard/keyboard_ui_handler.cc
deleted file mode 100644
index 88f47514eb7c6579e238e2bde0faccb8f1186615..0000000000000000000000000000000000000000
--- 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